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I need help on a programming assignment. I am completely lost on this one. If anyone could help, that would be great. The programming language is in Python.
Write a function called smallest() that will take three numbers as parameters and return the smallest value. If more than one number tied for smallest, still return that smallest number. DO NOT use the built in min() Python function to do this.
6,3,5 -> 3
4,4,8 -> 4
3,7,2 -> 2
1,8,9 -> 1
9,0,6 -> 0
Well you didn't say you can't use the builtin max function, so
def smallest(*args):
return max(*args, key=lambda x:-x)
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i hope you are doing well.
I have a question maybe it is stupid to ask rather than search.
but I looked up for a satisfactory answer.
Why leading zero is not allowed in some language, such as python.
what problems can leading zero produce?
thanks in advance!
This is not just in Python, many programming languages doesn't allow leading zeros. This is because zero is used to define if number is for example binary or octal base numbers. More about them in Python here.
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I need to create a code that will take 24 scale values and save them in a txt. file, i then want to be able to recall these values and put them back into the 24 scales. can someone point me in the right direction.
Thanks
First read this :
http://docs.python.org/2/library/stdtypes.html#bltin-file-objects
then write some code and come back with concrete questions if necessary.
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I'm looking to find out how to write the code to see how many values a key has in a dictionary.
For example, I'm doing a small survey on a class to see the colour of eyes, I make a dictionary and put all of their names into the dictionary as strings as values. How do i find out how many people have each colour eyes?
survey = {'blue' : ['Kyle', 'Josh', 'Michael']}
len(survey['blue'])
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I have a large sparse matrix (lil) implemented in Python with scipy, which comprises of Users on one axis, and songs they played on the other. So each row is a linked list of the songs that user has played.
I need to split each row ( user's songs ) so i have training and test data, but I'm unsure of how to do this. Sorry, im new to python, any help would be greatly appreciated.
I think you need sklearn.cross_validation.train_test_split
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I have a number on int format, but I want that the same algarisms make a binary number
so I could make binary operations with that number, how can I do that?
number = 1010111
Python includes the builtin function bin() to do this.
However, this just creates a string of the binary representation. This is completely unnecessary to do any sort of "binary operations" on a number, which can all be done on a normal int.
use the builtin function bin() to output in binary and the 0b1010111 format for input.