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In Python, the index() function is used to find the position of an element in a list. It searches from the start of the list and returns the index of the first occurrence of the element1.
# Example: Using index() to find the position of an elementanimals = ["cat", "dog", "tiger"]position = animals.index("dog") # Returns 1 as 'dog' is at index 1print(position)Parameters and Return Value
element: The element to search for in the list.
start (Optional): The starting index for the search.
end (Optional): The ending index for the search.
The function returns the lowest index where the element appears. If the element is not found, a ValueError is raised1.
Usage with Start and End Parameters
# Example: Using index() with start and end parametersfruits = ["apple", "banana", "cherry", "apple"]# Searching for 'apple' starting from index 2print(fruits.index("apple", 2)) # Returns 3Handling Element Not Found
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See results only from geeksforgeeks.orgPython List index() - Geeksf…
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WEBJan 9, 2023 · We can use the index() method to find the index of an item. >>> names = ["Jane", "James", "Matt", "Ashley", "Oliver"] >>> names.index("Matt") 2. The index starts at 0. Since “Matt” is the third …
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