How to Use the find () method in Python

How to Use the find () method in Python

This article describes how to use the find () method in Python. It is a basic knowledge in Python learning. For more information, see

The find () method is used to determine the str string. If the start index beg and end index can be found in a string or a substring of a string.

Syntax

The syntax of the find () method is as follows:

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1	Str. find (str, beg = 0 end = len (string ))

Parameters

Str -- this option specifies the string to be searched.

Beg -- this is the start index, which is 0 by default.

End -- this is the end index. By default, it is equal to the length of the string.

Return Value

If the index returned by this method is found,-1 is returned.

Example

The following example shows how to use the find () method.

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#! /Usr/bin/python   Str1 = "this is string example... wow !!! "; Str2 = "exam ";   Print str1.find (str2 ); Print str1.find (str2, 10 ); Print str1.find (str2, 40 );

When we run the above program, it will produce the following results:

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15 15