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Python3 List len ​​() method

Python3 list Python3 list


description

len () method returns the number of list elements.

grammar

len () method syntax:

len(list)

parameter

  • list - a list of the number of elements to be calculated.

return value

Returns the number of elements in the list.

Examples

The following example shows len () function to use:

#!/usr/bin/python3

list1 = ['Google', 'w3big', 'Taobao']
print (len(list1))
list2=list(range(5)) # 创建一个 0-4 的列表
print (len(list2))

Examples of the above output results are as follows:

3
5

Python3 list Python3 list