Python 3 - String count() Method


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Description

The count() method returns the number of occurrences of substring sub in the range [start, end]. Optional arguments start and end are interpreted as in slice notation.

Syntax

Following is the syntax for count() method −

str.count(sub, start = 0,end = len(string))

Parameters

  • sub − This is the substring to be searched.

  • start − Search starts from this index. First character starts from 0 index. By default search starts from 0 index.

  • end − Search ends from this index. First character starts from 0 index. By default search ends at the last index.

Return Value

Centered in a string of length width.

Example

#!/usr/bin/python3

str = "this is string example....wow!!!"
sub = 'i'
print ("str.count('i') : ", str.count(sub))
sub = 'exam'
print ("str.count('exam', 10, 40) : ", str.count(sub,10,40))

Result

When we run above program, it produces the following result −

str.count('i') :  3
str.count('exam', 4, 40) :  1
python_strings.htm
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