Replace Characters

Easy Strings

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Problem Statement

Write a Python program to replace all occurrences of a specific character with another character in a string.

Input Format

Line 1: Original string. Line 2: Character to replace and replacement character separated by space.

Output Format

Print the modified string.

Constraints

Single characters specified

Sample Input

hello world
o a

Sample Output

hella warld

Explanation

Use the string `.replace()` method.

Starter Code

def replace_chars(s, old_char, new_char):
    # Write your code here
    pass

s = input()
old_char, new_char = input().split()
print(replace_chars(s, old_char, new_char))

Limits

Time Limit: 1s
Memory Limit: 256MB

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