Saturday, July 11, 2020

Python Dictionary cmp() Method with example



Hello guys! Welcome back to another section of my tutorial on Python. In this tutorial guide, we are going to be studying about the Python Dictionary cmp() method.

The 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


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

Feel free to ask your questions where necessary and i will attend to them as soon as possible. If this tutorial was helpful to you, you can use the share button to share this tutorial.

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Thanks for reading and bye for now.
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