python string replace first character

title: python string replace: changing the first character
introduction:
step 2: replacing the first character:
to replace only the first character of a string, you can use slicing and concatenate the new character with the remaining part of the original string. here's a simple example:
in this example, the function replace_first_character() takes an input string and a new character as parameters. it checks if the input string is not empty and then constructs a modified string by concatenating the new character with the remaining part of the original string (excluding the first character). the result is then printed.
step 3: test with different input:
it's essential to test the function with various inputs to ensure its correctness. try using strings of different lengths and characters, including special characters and numbers.
conclusion:
chatgpt
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