Python Membership Operators
Membership Operators
Membership operators are used to test if a sequence is presented in an object:
| Operator | Description | Example | Try it |
|---|---|---|---|
| in | Returns True if a sequence with the specified value is present in the object | x in y | Try it » |
| not in | Returns True if a sequence with the specified value is not present in the object | x not in y | Try it » |
Examples
Example
Check if "banana" is present in a list:
fruits = ["apple", "banana", "cherry"]
print("banana" in fruits)
Try it Yourself »
Example
Check if "pineapple" is NOT present in a list:
fruits = ["apple", "banana", "cherry"]
print("pineapple" not in fruits)
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Membership in Strings
The membership operators also work with strings:
Example
text = "Hello World"
print("H" in text)
print("hello" in text)
print("z" not in text)
Try it Yourself »
