Python: len() function
len() function
The len() function is used to get the length of an object.
Version:
(Python 3.2.5)
Syntax:
len(s)
Parameter:
Name | Description | Required / Optional |
---|---|---|
s | A sequence (string, bytes, tuple, list, or range) or a collection (dictionary, set or frozen set). | Required |
Return value:
The number of items of an object.
Example: Python len() function
ExampleList = []
print(ExampleList, 'length is', len(ExampleList))
Output:
[] length is 0
Pictorial Presentation:
Example: Python len() function with List
ExampleList = [2, 4, 6]
print(ExampleList, 'length is', len(ExampleList))
Output:
[2, 4, 6] length is 3
Pictorial Presentation:
Example: Python len() with Tuple
ExampleTuple = (2, 4, 6)
print(ExampleTuple, 'length is', len(ExampleTuple))
Output:
(2, 4, 6) length is 3
Example: Python len() with Range
ExampleRange = range(3, 12)
print('Length of', ExampleRange, 'is', len(ExampleRange))
Output:
Length of range(3, 12) is 9
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