🔐 Secret Code in Python! | Simple Encryption & Decryption Project (No Extra Modules)

Published: 26 January 2025
on channel: MBC

🚀 Learn how to create a simple encryption & decryption system in Python using the Caesar Cipher!
No extra modules needed – just pure Python! 🔥
👉 In this beginner-friendly tutorial, you’ll learn:
✅ How encryption & decryption work
✅ How to shift letters in a message
✅ How to create a basic cipher in Python

💻 Code Used in This Video:

python
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def caesar_cipher(text, shift, encrypt=True):
result = ""
for char in text:
if char.isalpha():
shift_amount = shift if encrypt else -shift
new_char = chr(((ord(char.lower()) - ord('a') + shift_amount) % 26) + ord('a'))
result += new_char.upper() if char.isupper() else new_char
else:
result += char
return result

message = input("Enter your message: ")
shift_key = int(input("Enter shift key (number): "))

encrypted_text = caesar_cipher(message, shift_key)
print(f"Encrypted Text: {encrypted_text}")

decrypted_text = caesar_cipher(encrypted_text, shift_key, encrypt=False)
print(f"Decrypted Text: {decrypted_text}")
🔥 Try this project and encrypt your own secret messages!
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