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Update 100+ Python challenging programming exercises.txt #35

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Update 100+ Python challenging programming exercises.txt #35

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6 changes: 3 additions & 3 deletions 100+ Python challenging programming exercises.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -407,14 +407,14 @@ Use a list comprehension to square each odd number in a list. The list is input
Suppose the following input is supplied to the program:
1,2,3,4,5,6,7,8,9
Then, the output should be:
1,3,5,7,9
1, 2, 9, 4, 25, 6, 49, 8, 81

Hints:
In case of input data being supplied to the question, it should be assumed to be a console input.

Solution:
values = raw_input()
numbers = [x for x in values.split(",") if int(x)%2!=0]
values = raw_input() # input() in python3
numbers = [int(x)**2 if int(x) % 2 != 0 else int(x) for x in values.split(",")]
print ",".join(numbers)
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Great solution but here numbers list contains integers whereas join() method is only applicable with iterables that contain either strings or unicode object. You need to convert values in numbers to string first to be able to use join().

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