
- Python 3 Basic Tutorial
- Python 3 - Home
- What is New in Python 3
- Python 3 - Overview
- Python 3 - Environment Setup
- Python 3 - Basic Syntax
- Python 3 - Variable Types
- Python 3 - Basic Operators
- Python 3 - Decision Making
- Python 3 - Loops
- Python 3 - Numbers
- Python 3 - Strings
- Python 3 - Lists
- Python 3 - Tuples
- Python 3 - Dictionary
- Python 3 - Date & Time
- Python 3 - Functions
- Python 3 - Modules
- Python 3 - Files I/O
- Python 3 - Exceptions
- Python 3 Advanced Tutorial
- Python 3 - Classes/Objects
- Python 3 - Reg Expressions
- Python 3 - CGI Programming
- Python 3 - Database Access
- Python 3 - Networking
- Python 3 - Sending Email
- Python 3 - Multithreading
- Python 3 - XML Processing
- Python 3 - GUI Programming
- Python 3 - Further Extensions
- Python 3 Useful Resources
- Python 3 - Questions and Answers
- Python 3 - Quick Guide
- Python 3 - Tools/Utilities
- Python 3 - Useful Resources
- Python 3 - Discussion
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
Python 3 - List index() Method
Description
The index() method returns the lowest index in list that obj appears.
Syntax
Following is the syntax for index() method −
list.index(obj)
Parameters
obj − This is the object to be find out.
Return Value
This method returns index of the found object otherwise raise an exception indicating that value does not find.
Example
The following example shows the usage of index() method.
#!/usr/bin/python3 list1 = ['physics', 'chemistry', 'maths'] print ('Index of chemistry', list1.index('chemistry')) print ('Index of C#', list1.index('C#'))
Result
When we run above program, it produces the following result −
Index of chemistry 1 Traceback (most recent call last): File "test.py", line 3, in <module> print ('Index of C#', list1.index('C#')) ValueError: 'C#' is not in list
python_lists.htm
Advertisements