Checkpoint 10.5.1.
What is printed by the following statements?
alist = [3, 67, "cat", [56, 57, "dog"], [ ], 3.14, False]
print(3.14 in alist)
- True
- Yes, 3.14 is an item in the list alist.
- False
- There are 7 items in the list, 3.14 is one of them.
Section 10.5 List Membership
in and not in are boolean operators that test membership in a sequence. We used them previously with strings and they also work here.Check your understanding
Checkpoint 10.5.2.
What is printed by the following statements?
alist = [3, 67, "cat", [56, 57, "dog"], [ ], 3.14, False]
print(57 in alist)
- True
- in returns True for top level items only. 57 is in a sublist.
- False
- Yes, 57 is not a top level item in alist. It is in a sublist.
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