Computer Science - Text-Based Programming - Python - String manipulation - Secret Message Decoder
A spy-themed decoding challenge. Students are given encoded messages and must apply string operations to decode them. Message 1: 'OLLEH DLROW' → reverse it → 'HELLO WORLD' (use [::-1]). Message 2: 'h.e.l.l.o' → remove dots → 'hello' (use .replace('.', '')). Message 3: 'WHISPER' → make lowercase → 'w