Python String casefold() Method
Python String casefold() method is used to convert string to lower case. It is similar to lower() string method, but case removes all the case distinctions present in a string.
Python String casefold() Method Syntax
Syntax: string.casefold()
Parameters: The casefold() method doesn’t take any parameters.
Return value: Returns the case folded string the string converted to lower case.
Python String casefold() Method Example
Python3
string = "GEEKSFORGEEKS" print ( "lowercase string: " , string.casefold()) |
Output:
lowercase string: geeksforgeeks
Python String lower() vs casefold()
Python3
string = "ß" print ( "Using lower():" , string.lower()) print ( "Using casefold():" , string.casefold()) |
Output:
Using lower(): ß Using casefold(): ss
Explanation: Python String casefold() Method is more aggressive in conversion to lower case characters because it tends to remove all case distinctions in a String.
Practical Example using Python String casefold() Method
Here, we have a Python string with characters of mixed cases. We are using Python String casefold() Method to convert everything to lowercase.
Python3
string = "WeightAGE oF THe DiScuSSiON" print ( "Original String:" , string) # print the string after casefold transformation print ( "String after using casefold():" , string.casefold()) |
Output:
Original String: WeightAGE oF THe DiScuSSiON String after using casefold(): weightage of the discussion
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