Python dictionary len () method

Source: Internet
Author: User
Describe

The Python Dictionary len () method calculates the number of dictionary elements, that is, the total number of keys.

Grammar

Len () method syntax:

Len (dict)
Parameters
  • Dict-A dictionary to count the number of elements.
return value

Returns the number of elements in the dictionary.

Instance

The following example shows how the Len () function is used:

#!/usr/bin/python3dict = {' Name ': ' Zara ', ' Age ': 7};p rint ("Length:%d"% len (dict))

The result of the above example output is:

Length:2

Python dictionary len () method

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