Hi I have a list of numbers with some 'None''s in them that I want to replace with other numbers in the list that are not 'None'.
For example, for the list below:
listP = [ 2.5, 3, 4, None, 4, 8.5, None, 7.3]
I want the two None items to be replaced with random numbers in the list that are not themselves a None. So in this example the None could be replaced by 2.5 or 3 or 4 or 8.5 or 7.3.
Is there anyway to do this in one line of code?
You'll need to use two steps; extract the non-None values for random.choice() to pick from, then use a list comprehension to actually pick the random values:
import random
numbers = [n for n in listP if n is not None]
result = [n if n is not None else random.choice(numbers) for n in listP]
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