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Function Details: index_(str)

Description

Returns the lowest index where the substring is found.

Extended Description

The index() method returns the lowest index in the string where the substring is found. If the substring is not found, it raises a ValueError. Optional start and end parameters can be used to limit the search to a specific slice of the string. The search is performed from left to right.

Function Signature

str.index(sub: str, start: int = 0, end: int = None) -> int

Module: str

Class: str

Parameters

Parameter List

sub: str
start: int
end: int

Return

Returns an integer representing the lowest index where the substring is found.

Return Type

int

Output

Explanation

This example shows finding the index of substrings in the string.