Python Tuple index()

In this tutorial, you will learn about python tuple index() built-in method. It searches or find the tuple members or items and return the index number where item found.

Syntax:

The syntax of python tuple index() method is

 

Parameter:

tuple index() method can take three parameters.

Item: item which you want to search from tuple

starting point(Optional): It represent the index number where you want to start searching

ending index(Optional): It represent the index number , to search item upto this index number

 

Important:

Tuple index() method return the index of first matching item. I mean, an item is exist more than one time in tuple. Index() method will return index number of first appearance item in the tuple.

Note: Index numbering always start from zero, I mean, the index number of first element will be always zero(0), second element will be one(1) , third element will be two(2) and so on…..

 

See examples below to understand

Example#1

Output/Results

 

 

Example#2

In this example you will see, index() method just return the index of first appearance of an item

Output/Results

 

 

Example#3

In this example we will use starting point parameter.  this will start searching the item ‘i’ from index number 3

Output/Results

 

 

Example#4

In this example we will use all three parameters

Output/Results

index() method generate error if item, doesn’t exist in the tuple

 

 

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