Python String | count()

count() function in an inbuilt function in python programming language that returns the number of occurrences of a substring in the given string.

Syntax:

string.count(substring, start=…, end=…)



Parameters:

The count() function has one compulsory and two optional parameters.
Mandatory parameter:
1)substring – string whose count is to be found.

Optional Parameters:
1)start (Optional) – starting index within the string where search starts.
2)end (Optional) – ending index within the string where search ends.

Return Value:
count() method returns an integer that denotes number of times a substring occurs in a given string.

Below is the Python implementation of the count() method without optional parameters:

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# Python program to demonstrate the use of
# count() method without optional parameters 
  
# string in which occurrence will be checked
string = "geeks for geeks" 
  
# counts the number of times substring occurs in 
# the given string and returns an integer
print(string.count("geeks"))

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Output:


2



Below is the Python implementation of the count() method using optional parameters. 











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# Python program to demonstrate the use of 


# count() method  using optional parameters 


  


# string in which occurrence will be checked 


string = "geeks for geeks" 


  


# counts the number of times substring occurs in  


# the given string between index 0 and 5 and returns  


# an integer 


print(string.count("geeks", 0, 5)) 


  


print(string.count("geeks", 0, 15)) 



















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Output:


1
2




          
          
          
          

            

    

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