Mutability revisited - Python 3 Programming Tutorial p.8

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Added 6 years ago by admin

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In this part, we're going to revisit the topic of mutable and immutable objects. This concept is masked pretty well in Python, which, like dynamic typing, can be great... or not. It can really bite you one day if you don't have a good understanding of how it works, so let's talk about it.

Playlist: https://www.youtube.com/playlist?list=PLQVvvaa0QuDeAams7fkdcwOGBpGdHpXln

quiz:

x = 1
def test():
x = 2
test()
print(x)

x = 1
def test():
global x
x = 2
test()
print(x)

x = [1]
def test():
x = [2]
test()
print(x)

x = [1]
def test():
global x
x = [2]
test()
print(x)

x = [1]
def test():
x[0] = 2
test()
print(x)