Python List index() Method
Example
What is the position of the value "cherry":
    fruits = ['apple', 'banana', 'cherry']
    x = fruits.index("cherry")
  Run example »
Definition and Usage
The index() method returns the position at the first 
occurrence of the specified value.
Syntax
  
    list.index(elmnt)
  
Parameter Values
| Parameter | Description | 
|---|---|
| elmnt | Required. Any type (string, number, list, etc.). The element to search for | 
More Examples
Example
What is the position of the value 32:
    fruits = [4, 
    55, 64, 32, 16, 32]
    x =
    fruits.index(32)
  
  Run example »
Note: The index() method 
  only returns the first occurrence of the value.

