Difference between append vs. extend list methods in Python

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What's the difference between the list methods append() and extend()?

Jun 4, 2018 in Python by charlie_brown
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append: Appends object at end.

x = [1, 2, 3]
x.append([4, 5])
print (x)

gives you: [1, 2, 3, [4, 5]]


extend: Extends list by appending elements from the iterable.

x = [1, 2, 3]
x.extend([4, 5])
print (x)

gives you: [1, 2, 3, 4, 5]

answered Jun 4, 2018 by ariaholic
• 7,320 points

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