Python Program to Remove First Occurrence of Character in String

To remove the first occurrence of character from string in python; In this python tutorial, we would love to share with you several python programs to find and remove the first occurrence of a character in a string using For Loop, while loop, and functions.

How to remove first occurrence of character from string in python

Follow the below given 3 programs to find and remove first occurrence of a character in a string in python:

• Python Program 1: To Remove the First Occurrence of a Character in a String
• Python Program 2: To Delete the First Occurrence of a Character in a String
• Python Program 3: To Delete First Occurrence of a String Character

Python Program 1: to Remove the First Occurrence of a Character in a String

• Allow the user to enter a string and a character.
• Next, it finds and removes the first occurrence of that character inside a given string using For Loop.
• Use For Loop to iterate each character in a String.
• Inside the For Loop, use If Statement to check the character is equal to ch or not. If true, it uses the string slice index to remove that character and Break statement to exit the loop.

# Python Program to Remove the First Occurrence of a Character in a String
 
string = input("Please enter your own String : ")
char = input("Please enter your own Character : ")
string2 = ''
length = len(string)
for i in range(length):
    if(string[i] == char):
        string2 = string[0:i] + string[i + 1:length]
        break
 
print("Original String :  ", string)
print("Final String :     ", string2)

After executing the program, the output will be:

Please enter your own String :  hello
Please enter your own Character :  o
Original String :   hello
Final String :      hell

Python Program 2: to Delete the First Occurrence of a Character in a String

• Allow the user to enter a string and a character.
• Next, it finds and removes the first occurrence of that character inside a given string using while Loop.
• Use while Loop to iterate each character in a String.
• Inside the while Loop, use If Statement to check the character is equal to ch or not. If true, it uses the string slice index to remove that character and Break statement to exit the loop.

# Python Program to Remove First Occurrence of a Character in a String
 
string = input("Please enter your own String : ")
char = input("Please enter your own Character : ")

string2 = ''
length = len(string)
i = 0

while(i < length):
    if(string[i] == char):
        string2 = string[0:i] + string[i + 1:length]
        break
    i = i + 1
 
print("Original String :  ", string)
print("Final String :     ", string2)

After executing the program, the output will be:

Please enter your own String :  string
Please enter your own Character :  g
Original String :   string
Final String :      strin

Python Program 3: to Delete First Occurrence of a String Character

# Python Program to Remove First Occurrence of a Character in a String
 
def removeFirstOccur(string, char):
    string2 = ''
    length = len(string)

    for i in range(length):
        if(string[i] == char):
            string2 = string[0:i] + string[i + 1:length]
            break
    return string2

str1 = input("Please enter your own String : ")
char = input("Please enter your own Character : ")

print("Original String :  ", str1)
print("Final String :     ", removeFirstOccur(str1, char))

After executing the program, the output will be:

Please enter your own String :  world
Please enter your own Character :  d
Original String :   world
Final String :      worl

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