Tuple cmp() Function Python 2 and 3

In Python 2 Built-In Tuple cmp() function is used to compare 2 elements in the given Tuple.

Syntax:

There are 2 parameters used in Tuple cmp() Function: tuple1 The first list to be compared and tuple2 The second list to be compared.

Example:

#!/usr/bin/python
#Python 2
tuple1 = [123, 'xyz']
tuple2 = [456, 'abc']
print cmp(tuple1, tuple2)
print cmp(tuple2, tuple1)
tuple3 = tuple2 + [786];
print cmp(tuple2, tuple3)

Tuple cmp() Function Python 3

In Python 3, the cmp function does not exists and the function can be defined manually. Aftwards the same function can be used.

#!/usr/bin/python
#Python 3
def cmp(a, b):
    return (a > b) - (a < b) 
tuple1 = [123, 'xyz']
tuple2 = [456, 'abc']
print (cmp(tuple1, tuple2))
print (cmp(tuple2, tuple1))
tuple3 = tuple2 + [786];
print (cmp(tuple2, tuple3))