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Python String count() Method

By IncludeHelp Last updated : December 08, 2024

Python string.count() function

The string.count() is an in-built function in Python, it is used to find the occurrences of a substring in a given string. It returns an integer value which is the occurrences of the substring.

Syntax

string.count(substring, [start_index], [end_index])

Parameter(s)

• substring is a part of string whose occurrences is to be found.
• [start_index] is an optional argument; it will be the start index of the string, where search will start.
• [end_index] is an optional argument; it will be the end index of the string, where search will stop.

Return value

The function returns total number of occurrences of substring.

Example 1

Consider the below example with sample input and output:

Input string is: "I live in India, India is a great country"
Substring to find : "India"
Start_index: None
End_index: None
Output: 2   

Input string is: "I live in India, India is a great country"
Substring to find : "India"
Start_index: 0
End_index: 15
Output: 1

Example 2

# Python code to find occurrences 
# of a substring in a string 

# defining a string
str1 = "I live in India, India is a great country"

# finding occurrences of 'India'
# in complete string
print(str1.count("India"))

# finding occurrences of 'India'
# from 0 to 15 index
print(str1.count("India",0,15))

# finding occurrences of 'i' (small 'i')
# in complete string
print(str1.count("i"))

Output

The output of the above program is:

2
1
5