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Computing with Data

elgeish
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Functions - Part I

Here are a few examples of user-defined functions in Python:

def scale(vector, factor):
return [x * factor for x in vector]
print(scale([1, 2, 3], 2))
print(scale({1, 2, 3}, 2)) # unordered
print(scale(factor=2, vector=(1, 2, 3)))
# the * operator works with lists and tuples as well,
# but it has different semantics:
print(scale([(1, 2, 3)], 2))
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