Python Practice Questions Tutorial

Remove Repeated Characters from a String

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A Python program to remove duplicate characters from a string while preserving the order of first occurrences.

Here's a explanation of code in points:

def repeated_character_remove(string):
➤ Defines a function to remove repeated characters from the input string.
new_string = ""
➤ Initializes an empty string to store unique characters.
for char in string:
➤ Loops through each character in the input string.
if char not in new_string:
➤ Check if the character is not already in new_string.
new_string += char
➤ If it's a new character, add it to new_string.
return new_string
➤ Returns the string with only unique characters.
string = input("Enter a string: ")
➤ Takes input from the user.
result = repeated_character_remove(string)
➤ Calls the function and stores the result.
print("Unique characters:", result)
➤ Prints the final string without duplicates.

Program:

def repeated_character_remove(string):

    new_string = ""

    for char in string:

        if char not in new_string:

            new_string += char

    return new_string

string = input("Enter a string: ")

result = repeated_character_remove(string)

print("Unique characters:", result)

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Remove Repeated Characters from a String

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