Python Tuple 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 discussing about the Python Tuple cmp() method.

The Python tuple cmp() function compares elements of two tuples.

Syntax

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

cmp(tuple1,   tuple2 )

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Parameter Details

  • tuple1- This is the first tuple to be compared.
  • tuple2 - Second tuple to be compared.

Return Value

If the elements are of the same type, performs the compare and return the result. If the elements are of different types, then check to see if they are numbers.

  • If numbers, then performs numeric coercion if need be and compare.
  • If either of the elements is a number, the other element is "larger".
  • Else, the types are sorted alphabetically by name.

If we reach the end of the tuples, the longer tuple is "larger". If we exhaust both tuples and share same data, the result is a tie, meaning 0 is returned.

Example

The following below is a simple example -

#!/usr/bin/python

tuple1, tuple2 = (123, 'xyz'), (456, 'abc')
print cmp(tuple1, tuple2)
print cmp(tuple2, tuple1)
tuple3 = tuple2 + (786,);
print cmp(tuple2, tuple3)

Output
Below is the output of the above example -

-1
1
-1


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 Tuple len() method.

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