I recently was trying to work on a twist to a program I am writing for my first program really. And I have everything working if the user is told to enter some values each time the game runs.
However, I was thinking that it should have a default set of characters that my program/game would use every time. My first goal was to get this to just give every player the same default 3 characters. But eventually this would need to have a have a list expanded of at least the character names.
My trouble comes in that I have taken a if loop that gathered the data each time if they said they have new characters to create, and have tried to modify it to the best of my knowledge to use a list and have it use the position in the loop to get that list number.
Then pass that data down the same paths I had created in the class. But it seems to be just skipping this section which right now I cant see why(I am sure this is a inexperienced moment) Or I am trying to access the list incorrectly? Anyway help on this would be huge, I have included my code below.
I have added commented lines to indicate the section of code that appears to be skipping.
And clarification I hope on this question is Is the for in loop the right way to solve this issue? And if so am I accessing this the correct way?
print ("Welcome to Chose your own adventure python edition")
print ("")
players = []
playerCharacters = []
def playerNames():
playerNum = int(input("How many players are playing? "))
if playerNum > 4:
print("I am sorry, unfortunately only four players are permitted.")
return
for playerId in range(playerNum):
newPlayerName = input(f"What is player {playerId + 1}'s name?")
players.append(newPlayerName)
print(f"Welcome: {' & '.join(players)}!")
def characters():
charAmount = 3
for index, player in enumerate(players):
playerCreate = input("{} (player {}), do you have a character to create. (y/n)".format(
player, str(index+1)))
if playerCreate.lower() =="y":
charAmount = int(input("How many characters does this player begin the game with?"))
for x in range(0,(charAmount)):
getCharName = input("Enter Next Char name ")
getCharDice = input("Please enter the number of dice this char will use. ")
getCharRole = input("Please enter the villagers role. ")
charData = {
"name": getCharName,
"diceCount": getCharDice,
"role": getCharRole,
"playerName": player
}
newCharacter = Character(characterData=charData)
newCharacter.printSummary()
playerCharacters.append(newCharacter)
if playerCreate.lower() == "n":
defaultCapture = input("Would you like to begin with the default charatures. (y/n)?" )
if defaultCapture.lower() == "y":
###Beginning of skipped code
for x in range (0,3):
DefaultCharName = ["Bob", "Sally", "Tommy"]
DefaultDiceCount = 1
DefaultRole = ['Builder', "Recruiter" , "Nothing"]
charData = {
"name": DefaultCharName(x),
"diceCount": DefaultDiceCount,
"role": DefaultRole(x),
"playerName": player
}
DefaultCharacters = Character(characterData=charData)
DefaultCharacters.printSummary()
playerCharacters.append(DefaultCharacters)
###End of skipped section
if defaultCapture.lower == "n":
print("Well it looks as though you dont really want to play.")
continue
print("Summary ==========================")
for player in playerCharacters:
print("{characterName} Controlled by {playerName}".format(
playerName=player.playerName,
characterName=player.name ))
return
class Character:
name = "default name"
playerName = "john/jane doe"
diceCount = "1"
role = "vanillaPaste"
def __init__(self, characterData):
self.playerName = characterData['playerName']
self.role = characterData['role']
self.diceCount = characterData['diceCount']
self.name = characterData['name']
def printSummary(self):
print("{player} summary: \r\n \r\nCharacters:\r\nName: {characterName} \r\nDice: {dice} \r\nRole: {role} \r\n"
.format(
characterName=self.name,
player=self.playerName,
dice=self.diceCount,
role=self.role
);
playerNames()
characters()
While your code is, like the comments say, a little too long for a minimal SO question, in this case it's an easy fix.
Just before your "start of skipped section", you have
if defaultCapture.lower == "y":
which is missing the parentheses to actually call .lower(), to lower-case the string. (Comparing a function to a string would always be false.)
That expression should be
if defaultCapture.lower() == "y":
try to check the indentation of the for loop and when you enter something, do not have spaces. You should use
defaultCapture.lower().split =="y"
OR
defaultCapture.lower().split.contains("y")// Add the brackets()
Related
finishgame = "n"
counter = 0
#the song randomizer
num = random.randint(0,50)
f = open("songs.txt","r")
lines = f.readlines()
#first letter only system
song = str(lines[num])
firstl = song[0]
print(firstl)
#the artist generator
g = open("artists.txt","r")
line = g.readlines()
print(line[num])
#guess system
while finishgame == "n":
guess = str(input("Enter your guess"))
if guess == song:
counter = counter+5
print("Correct!")
finishgame = "y"
elif counter == 2:
print("Out of guesses, sorry :(")
print("The Correct Answer was:",song)
finishgame = "y"
else:
counter = counter+1
print("Try Again")
First time asking so apologizes for any errors. I have create a song guessing game where it takes a song from an external file, and displays the first letter of the title. It then takes the artist from a separate file (where it is in the same line as the song in the other file) and displays that too. Then you should guess the song. However, my code is having trouble recognizing when a 'guess' is correct, please can anyone tell me why? I've tried using different methods of identification such as the id() function but so far have not got any results. I'm probably missing something simple but any help would be much appreciated.
The purpose of this program is to create a list of names for people attending a party. I would like to be able to grant the user the ability to continue adding names until they chose YES as an option to exit the loop. However, I have am stomped when it comes to having them enter a name they would like to remove in case they added someone by accident or if they would like to edit the list and remove or replace someone.
I am currently a newbie to programming, hence the lack of classes to this code. Any help would be greatly appreciated. Thank you all in advance!
#Initialize empty list
partyList = []
#Initilize empty entry
inviteeName = ''
endEntry = ''
#Run loop until YES is entered as a value
while endEntry != "Yes":
inviteeName = input("Please enter the name of the person you are inviting below." + "\nName: ")
inviteeName = inviteeName.title()
# Verifies if a name was not entered.
while inviteeName == "":
inviteeName = input("\nPlease enter the name of the person you are inviting below." + "\nName: ")
inviteeName = inviteeName.title()
endEntry = input("\tPress ENTER to continue or type Yes to finish: ")
endEntry = endEntry.title()
#Append every new name to the list
partyList.append(inviteeName)
#Adds the word "and" to finish sentence if there are more than one invitees. NOTE: Make a class please!
numOfInvitees = len(partyList)
if numOfInvitees > 1:
partyList.insert(-1, 'and')
#Remove brackets and quotes.
partyList = ', '.join(partyList)
#Print message
print("\nThis will be your final message:\n" + str(partyList) + "\nYou are invited to my party!\n")
I was trying to use this to assist the user with removing names entered by accident.
submit = input('Submit?: '.title())
submit = submit.title()
if submit == 'Yes':
print('Invite has been sent!')
elif submit == 'No':
remNameConfirmation = input('Would you like to remove a name from the list?: ')
remNameConfirmation = remNameConfirmation.title()
if remNameConfirmation == 'Yes':
uninviteName = (input('Who would you like to remove?: '))
uninviteName = uninviteName.title()
Here is the line that is giving some trouble
partyList.remove(uninviteName)
print(partyList)
When your code reaches
partyList = ', '.join(partyList)
it will set the variable partyList to a string. Since it is no longer a list it does not have the .remove method.
I am a programming beginner and I am trying to build a fill-in-the-blank quiz. I am almost finished but I am stuck on 2 problems I am not able to solve, whatever I do. I would really appreciate your help with this. Thank you for helping me with this!
If you try to run the code and play the game:
1) It prints the quiz according to the difficulty(easy-insane) and quiz you want to play(apple, bond and programming quiz) which is great but afterwards it prompts you to choose difficulty again (the player_level() function keeps going even though the player/user has already chosen the difficulty level. I don't really understand why it does it? The player_level() procedure seems perfectly okay and logical to me.
2) The errors:
a) local variable blanks_index referenced before assignment
b) global name list_of_answers is not defined.
I know that it is related to the initialize_game() function but I don't know how to change the code so it refers all the variables (blanks_index, answers_index, player_lives) correctly.
It could be solved by creating global variables(I guess) but that is not a good practice so I am trying to avoid it. Formerly, the whole function initialise_game() and play_game() were one function, but as there are over 25 lines of code in one function, it is not a good practice as it is long and messy and I know that I can separate it but I don't know how.
Here is the code:
"""3 diffferent quizzes : Apple quiz, James Bond quiz, Programming quiz"""
"""Quiz and answers about Apple"""
Apple_quiz = ("The most valuable company in terms of market cap in 2016 is, ___1___."
"It was founded in ___2___. Its flagship product is called ___3___."
"___1___ has many competitors, the biggest rival is ___4___,founded by"
" nobody but the richest man on the planet,___5___ ___6___.")
list_of_answers_Apple = ["Apple", "1976", "Iphone", "Microsoft", "Bill", "Gates"]
"""Quiz and answers about Bond"""
Bond_quiz = ("James Bond is agent ___1___. He serves his country,___2___ ___3___"
" against its enemies. His car of choice is usually ___4___ ___5___."
" His favorite drink is ___6___.")
list_of_answers_Bond = ["007", "United", "Kingdom", "Aston", "Martin", "Martini"]
"""Quiz and answers about programming basics"""
Programming_quiz = ("___1___ are created with the def keyword. ___1___ are also called ___2___"
" You specify the inputs a ___1___ take by adding ___3___ separated by commas"
" between the parentheses. ___3___ can be standard data types such as string, number"
" ,dictionary, tuple, and ___4___ or can be more complicated such as ___5___"
" and ___6___ functions.")
list_of_answers_Programming = ["Functions", "procedures", "arguments", "lists", "objects", "lambda"]
blank_space = ["___1___", "___2___", "___3___", "___4___", "___5___", "___6___]"]
#List of levels with corresponding lives/guesses that player can have
quiz_list = ["Apple", "Bond", "Programming"]
level_list = ["easy", "medium", "hard", "superhard", "insane"]
lives_easy = 5
lives_medium = 4
lives_hard = 3
lives_superhard = 2
lives_insane = 1
def choose_quiz():
""" Prompts player to pick a type of quiz and loads the quiz """
#Input = player_quiz (raw input from player)
#Output = loaded quiz, player chose
while True:
player_quiz = raw_input("Please, select a quiz you want to play: "
"(Apple, Bond or Programming): ")
if player_quiz == "Apple":
return Apple_quiz
elif player_quiz == "Bond":
return Bond_quiz
elif player_quiz == "Programming":
return Programming_quiz
else:
print "We don't have such quiz, pick again!"
def answers_for_quiz():
""" Loads appropiate answers to the quiz that player has chosen"""
#Input = player quiz (raw input from player)
#Output = loaded quiz answers from the quiz player chose
player_quiz_pick = choose_quiz()
if player_quiz_pick == Apple_quiz:
return list_of_answers_Apple
elif player_quiz_pick == Bond_quiz:
return list_of_answers_Bond
elif player_quiz_pick == Programming_quiz:
return list_of_answers_Programming
def player_level():
""" Loads a difficulty that player chooses """
#Input = player_level_input (raw input of player choosing a difficulty)
#Output = corresponding number of lives:
#Easy = 5 lives, Medium = 4 lives
#Hard = 3 lives, Superhard = 2 lives
#Insane = 1 life
while True:
player_level_input = raw_input("Please type in a difficulty level: "
"(easy, medium, hard, superhard, insane): ")
if player_level_input == "easy":
return lives_easy #Easy = 5 lives
elif player_level_input == "medium":
return lives_medium #Medium = 4 lives
elif player_level_input == "hard":
return lives_hard #Hard = 3 lives
elif player_level_input == "superhard":
return lives_superhard #Superhard = 2 lives
elif player_level_input == "insane":
return lives_insane #Insane = 1 life
else:
print "We do not have such difficulty! Pick again!"
def correct_answer(player_answer, list_of_answers, answers_index):
""" Checks, whether the the answer from player matches with the answer list. """
#Input: player_answer (raw input that player enters in order to fill in the blank)
#Output: "Right answer!" or "Wrong! Try again!" this output will be later used in the game
if player_answer == list_of_answers[answers_index]:
return "Right answer!"
return "Wrong! Try again!"
def initialize_game():
"""Functions that sets up a game so we can play it """
player_quiz_pick, player_level_pick, list_of_answers = choose_quiz(), player_level(), answers_for_quiz()
print player_quiz_pick
print "\nYou will get maximum " + str(player_level_pick) + " guesses for this game. Good luck.\n"
blanks_index, answers_index, player_lives = 0, 0, 0
#for elements in blank_space:
while blanks_index < len(blank_space):
player_answer = raw_input("Please type in your answer for " + blank_space[blanks_index] + ": ")
if correct_answer(player_answer,list_of_answers,answers_index) == "Right answer!":
print "Correct answer! Keep going!\n"
player_quiz_pick = player_quiz_pick.replace(blank_space[blanks_index],player_answer)
answers_index += 1
blanks_index += 1
print player_quiz_pick
if blanks_index == len(blank_space):
print "Congratulations! You nailed it! You are the winner!"
else:
player_level_pick -= 1
if player_level_pick == 0:
print "Game over! Maybe next time!"
break
else:
print "One life less, that sucks! Have another shot!"
print "You have " + str(player_level_pick) + " guesses left."
initialize_game()
Your main problem is that you keep calling the same functions over and over again and do not save the input into variables. Here are some tips about your code and questions:
You are not doing anything with your player_level() method call, so the player doesn't actually chooses a level in a way that affects the game. You should change the function call, so the returned value will be stored.
//the call to the method:
player_level_pick = player_level()
Afterwards, you keep calling the player_level() method, and not using the actual answer that the user supplied. Change all player_level() appearences to player_level_pick - the variable you use to save the answer (as I showed above). Same goes to all other unneeded function calls such as choose_level().
You should initialize number_of_guesses, player_lives, list_of_answers, and other vars to a matching value to player_level_pick as well, so it will hold the right value according to the level. Likewise, you should change this line:
# the line that checks if game is over
# change from:
if number_of_guesses == player_lives:
# to :
if number_of_guesses == 0:
In order to return multiple values, you have to use tuples. Using multiple return statements one after the other does not work anywhere.
so, instead of:
return list_of_answers
return number_of_guesses
return blanks_index
return answers_index
return player_lives
you should use tuples, and unpack them properly:
# the return statement:
return (list_of_answers, number_of_guesses, blanks_index, answers_index, player_lives)
# and the unpacking in the calling function:
list_of_answers, number_of_guesses, blanks_index, answers_index, player_lives = initialize_game()
this way, all of the returned values go into the wanted variables in the calling function. this way, you need to call the initialize_game() from play_game(). it will be the efficient way for you.
Just saying it again, as I said in the end of (4) - you should unit initialize_game() and play_game() into a single function (because a lot of data is the same needed data), or just call initialize_game() from play_game().
Better practice then using this recursivly: return choose_level(), you should use a while True: loop, and just brake when you get a proper answer.
While this assignment is past due (I joined the class late unfortunately) I still need to figure it out. I have the following list of words:
abhor:hate
bigot:narrow-minded, prejudiced person
counterfeit:fake; false
enfranchise:give voting rights
hamper:hinder; obstruct
kindle:to start a fire
noxious:harmful; poisonous; lethal
placid:calm; peaceful
remuneration:payment for work done
talisman:lucky charm
abrasive:rough; coarse; harsh
bilk:cheat; defraud
I need to read this file into a dictionary, pick a random key, scramble it, then ask the user to solve it. Unlike other solutions on here, it does not iterate three times, but runs until the user enters 'n'. The code will ask the user after each round if the user wants to continue the game. The user can also type 'hint' to get the definition of the word.
There is a similar question here: (http://www.dreamincode.net/forums/topic/302146-python-school-project-write-a-word-scramble-game-status-complete/) or rather the result of a question, but I am not knowledgeable enough to bridge the gaps and make it work for my purposes. None of the variation on this that I have seen on stack overflow come close enough for me to bridge the gap either, likely because I just don't know enough yet. Before we even start, this code does not yet work at all really, I am pretty lost at this point, so please be gentle. My code so far is below:
import random
from random import shuffle
#Reads the words.txt file into a dictionary with keys and definitions
myfile = open("words.txt", "r")
wordDict = dict([(line[:line.index(":")], line[line.index(":") +1 : -1])
for line in myfile.readlines()])
#print (b)
def intro():
print('Welcome to the scramble game\n')
print('I will show you a scrambled word, and you will have to guess the word\n')
print('If you need a hint, type "Hint"\n')
#Picks a random key from the dictionary b
def shuffle_word():
wordKey = random.choice(list(wordDict.keys()))
return wordKey
#Gives a hint to the user
def giveHint(wordKey):
hint = wordDict[wordKey]
return hint
#Below - Retrieves answer from user, rejects it if the answer is not alpha
def getAnswer():
answer = input('\nEnter your first guess: ')
while True:
if answer.isalpha():
return answer
else:
answer = input('\nPlease enter a letter: ')
def keepPlaying():
iContinue = input("\nWould you like to continue? ")
return iContinue
def scramble():
theList = list(shuffle_word())
random.shuffle(theList)
return(''.join(theList))
#Main Program
if keepPlaying() == 'y':
intro()
shuffle_word()
randomW = shuffle_word()
#scramKey = list(randomW)
thisWord = scramble()
print ("\nThe scrambled word is " +thisWord)
solution = getAnswer()
if solution == thisWord:
print("\nCongratulations")
if solution == 'Hint' or solution == 'hint':
myHint = giveHint(wordKey)
print(myHint)
else:
print("\nThanks for playing")
I have edited this post to ask for new information, though I am not sure if that ishow its properly done. Thanks to the help of those below, I have made progress, but am stuck not on a specific piece.
I have two questions. 1: How can I get the giveHint() function to return the definition of the random key selected by the shuffle_wprd() function. I know what I have above will not work because it is simply returning a string, but it seems like just using a dict.get() function would not get the correct definition for the random word chosen.
2: How can I get the program not to ask the user to continue on the first pass, but to then ask from then on. I thought about using a while loop and redefining the variable during the iteration, but I don't know enough to get it to work properly.
regardless, thank you to those people who have already helped me.
This should help you out a bit, the length seems to be of no benefit as a hint as you can see the length of the scrambled word so I used the definition as the hint,I think you also want to ask the user to guess the word not individual letters:
from random import shuffle, choice
#Reads the words.txt file into a dictionary with keys and definitions
with open("words.txt") as f:
word_dict = {}
for line in f:
# split into two parts, word and description
word, hint = line.split(":")
word_dict[word] = hint
def intro():
print('Welcome to the scramble game\n')
print('I will show you a scrambled word, and you will have to guess the word\n')
#Picks a random key from the dictionary b
def pick_word():
word = choice(list(word_dict.keys()))
return word
#Gives a hint to the user
def give_hint(word):
# return the definition of the word
descrip = word_dict[word]
return descrip
#Below - Retrieves answer from user, rejects it if the answer is not alpha
def get_answer():
while True:
answer = input('Please enter a guess: ')
if answer.isalpha():
return answer
else:
print("Only letters in the word")
def main():
intro()
word = pick_word()
# give user lives/tries
tries = 3
shffled_word = list(word)
# shuffle the word
shuffle(shffled_word)
# rejoin shuffled word
shffled_word = "".join(shffled_word)
# keep going for three tries as most
while tries > 0:
inp = input("Your scrambled word is {}\nEnter h if you want to see your hint or any key to continue".format(shffled_word))
if inp == "h":
print("The word definition is {}".format(give_hint(word)))
ans = get_answer()
if ans == word:
print("Congratulations you win!")
break
tries -= 1
# ask user if they want to play again, restarting main if they do
play_again = input("Press 'y' to play again or any key to exit")
if play_again == "y":
main()
# else the user did not press y so say goodbye
print("Goodbye")
main()
There are a few more bits to be added but I will leave that up to you.
Thank you to all those who helped. For any who come along later, the final product is here. Similar to what Padraic Cunningham put, but without the three answer limit, and without his more elegant solution of wrapping the main program into a called function.
import random
from random import shuffle, choice
#Reads the words.txt file into a dictionary with keys and definitions
with open("words.txt") as f:
wordDict = {}
for line in f:
# split into two parts, word and description
word, hint = line.split(":")
wordDict[word] = hint
#print (b)
def intro():
print('Welcome to the scramble game\n')
print('I will show you a scrambled word, and you will have to guess the word\n')
print('If you need a hint, type "Hint"\n')
#Picks a random key from the dictionary b
def shuffle_word():
wordKey = choice(list(wordDict.keys()))
return wordKey
#Gives a hint to the user
def giveHint(wordKey):
descrip = wordDict[word]
return descrip
#Below - Retrieves answer from user, rejects it if the answer is not alpha
def getAnswer():
answer = input('\nEnter a guess: ')
while True:
if answer.isalpha():
return answer
else:
answer = input('\nPlease enter a letter: ')
def getAnswer2():
answer2 = input('\nEnter another guess: ')
while True:
if answer2.isalpha():
return answer2
else:
answer2 = input('\nPlease enter a letter: ')
def keepPlaying():
iContinue = input("\nWould you like to continue? ")
return iContinue
#def scramble():
# theList = list(shuffle_word())
# random.shuffle(theList)
# return(''.join(theList))
#Main Program
while keepPlaying() == 'y':
intro()
#shuffle_word()
randomW = shuffle_word()
cheatCode = giveHint(randomW)
#scramKey = list(randomW)
thisWord = list(randomW)
print(thisWord)
random.shuffle(thisWord)
print(thisWord)
thisRWord = ''.join(thisWord)
print ("\nThe scrambled word is " +thisRWord)
solution = getAnswer()
loopMe = False
while loopMe == False:
if solution == randomW:
print("\nCongratulations")
loopMe = True
if solution == 'Hint' or solution == 'hint':
print(cheatCode)
if solution != randomW:
loopMe = False
solution = getAnswer2()
I am extremely new to Python, and to programming in general, so I decided to write some basic code to help me learn the ins and outs of it. I decided to try making a database editor, and have developed the following code:
name = []
rank = []
age = []
cmd = input("Please enter a command: ")
def recall(item): #Prints all of the information for an individual when given his/her name
if item in name:
index = name.index(item) #Finds the position of the given name
print(name[index] + ", " + rank[index] + ", " + age[index]) #prints the element of every list with the position of the name used as input
else:
print("Invalid input. Please enter a valid input.")
def operation(cmd):
while cmd != "end":
if cmd == "recall":
print(name)
item = input("Please enter an input: ")
recall(item)
elif cmd == "add":
new_name = input("Please enter a new name: ")
name.append(new_name)
new_rank = input("Please enter a new rank: ")
rank.append(new_rank)
new_age = input("Please input new age: ")
age.append(new_age)
recall(new_name)
else:
print("Please input a valid command.")
else:
input("Press enter to quit.")
operation(cmd)
I want to be able to call operation(cmd), and from it be able to call as many functions/perform as many actions as I want. Unfortunately, it just infinitely prints one of the outcomes instead of letting me put in multiple commands.
How can I change this function so that I can call operation(cmd) once, and call the other functions repeatedly? Or is there a better way to go about doing this? Please keep in mind I am a beginner and just trying to learn, not a developer.
Take a look at your code:
while cmd != "end":
if cmd == "recall":
If you call operation with anything than "end", "recall" or "add", the condition within while is True, the next if is also True, but the subsequent ifs are false. Therefore, the function executes the following block
else:
print("Please input a valid command.")
and the while loop continues to its next lap. Since cmd hasn't changed, the same process continues over and over again.
You have not put anything in your code to show where operator_1, operator_2, and operator_3 come from, though you have hinted that operator_3 comes from the commandline.
You need to have some code to get the next value for "operator_3". This might be from a list of parameters to function_3, in which case you would get:
def function_3(operator_3):
for loopvariable in operator_3:
if loopvariable == some_value_1:
#(and so forth, then:)
function_3(["this","that","something","something else"])
Or, you might get it from input (by default, the keyboard):
def function_3():
read_from_keyboard=raw_input("First command:")
while (read_from_keyboard != "end"):
if read_from_keyboard == some_value_1:
#(and so forth, then at the end of your while loop, read the next line)
read_from_keyboard = raw_input("Next command:")
The problem is you only check operator_3 once in function_3, the second time you ask the user for an operator, you don't store its value, which is why its only running with one condition.
def function_3(operator_3):
while operator_3 != "end":
if operator_3 == some_value_1
function_1(operator_1)
elif operator_3 == some_value_2
function_2
else:
print("Enter valid operator.") # Here, the value of the input is lost
The logic you are trying to implement is the following:
Ask the user for some input.
Call function_3 with this input.
If the input is not end, run either function_1 or function_2.
Start again from step 1
However, you are missing #4 above, where you are trying to restart the loop again.
To fix this, make sure you store the value entered by the user when you prompt them for an operator. To do that, use the input function if you are using Python3, or raw_input if you are using Python2. These functions prompt the user for some input and then return that input to your program:
def function_3(operator_3):
while operator_3 != 'end':
if operator_3 == some_value_1:
function_1(operator_3)
elif operator_3 == some_value_2:
function_2(operator_3)
else:
operator_3 = input('Enter valid operator: ')
operator_3 = input('Enter operator or "end" to quit: ')
looks like you are trying to get input from the user, but you never implemented it in function_3...
def function_3(from_user):
while (from_user != "end"):
from_user = raw_input("enter a command: ")
if from_user == some_value_1:
# etc...