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1. Replace Character2. Remove Character3. Insert Character at Position4. Remove First Character5. Remove Last Character6. Swap First and Last Character7. Duplicate String N Times8. Add Characters Between Each Character9. Remove All Occurrences of Substring10. Reverse Each Word

Replace Character

Replace all occurrences of a character.

IntermediatePhase 5 - Category 4: String TransformationExample 1 of 10
replace-character.py
1# Take string input
2s = input("Enter a string: ")
3old_char = input("Enter character to replace: ")
4new_char = input("Enter new character: ")
5

6# Replace
7result = s.replace(old_char, new_char)
8print(f"After replacement: {result}")

Output

Enter a string: Hello
Enter character to replace: l
Enter new character: x
After replacement: Hexxo

What's going on

Use replace() method to replace characters.

Key Concepts:

replace(old, new) replaces all occurrences
Returns new string
Original unchanged

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