Python Dictionary cmp() Method with example

Hello dear readers! Welcome back to another edition of our tutorial on Python. In this tutorial guide, we are going to be studying about the Python Dictionary cmp() method.

Python dictionary cmp() function compares two dictionaries based on keys and values.

Syntax

The following below is the syntax for the Python Dictionary cmp() method -

cmp(dict1,   dict2 )

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Parameter Details

• dict1- First dictionary that is to be compared with dict2.

• dict2 - Second dictionary to be compared with dict1.

Return Value

This method returns 0 if both dictionaries are equal, -1 if dict1 < dict2 and 1 if dict1 > dict2.  

Example

The following below is a simple example -

#!/usr/bin/python

dict1 = {'Name': 'Paul', 'Age': 7};
dict2 = {'Name': 'Bethel', 'Age': 27};
dict3 = {'Name': 'Prince', 'Age': 27};
dict4 = {'Name': 'Peter', 'Age': 7};
print "Return Value : %d" %  cmp (dict1, dict2)
print "Return Value : %d" %  cmp (dict2, dict3)
print "Return Value : %d" %  cmp (dict1, dict4)

Output

Below is the output of the above example -

Return Value : -1
Return Value : 1
Return Value : 0

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Alright guys! This is where we are rounding up for this tutorial post. In our next tutorial, we are going to be discussing about the Python Dictionary len() method.

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