10.Secret Encoding & Decoding.py 

# Write a program to translate a message into secret code language.
# Use the rules below to translate normal English into secret code language.


# Coding:
# if the word contains atleast 3 characters:
#       remove the first letter and append it at the end now append three random characters at the starting and the end
#       now append three random characters at the starting and the end
# else:
#     simply reverse the string

# Decoding:
#if the word contains less than 3 characters:
#       reserve it
#else:
#       remove 3 random characters from start and end. Now remove the last letter append it to the beginning


import random

# Function to generate a random prefix
def generate_prefix():
    prefixes = ['asd', 'jhg', 'iuy', 'ert', 'bnm']
    return random.choice(prefixes)
def generate_postfix():
    postfixes = ['asd', 'jhg', 'iuy', 'ert', 'bnm']
    return random.choice(postfixes)

choice = int(input("Enter your choice: for decoding press 1 and for encoding press 2:   "))
message =input("Enter your message:")
words = message.split(" ")

match choice:
    case 1:
        # coding = False
        # if coding:
        nwords = []
        for word in words:
            if len(word) >= 3:
                # Remove the first letter and append it at the end
                modified_word = word[1:] + word[0]
                # Append three random characters at the starting and the end
                modified_word = generate_prefix() + modified_word + generate_postfix()
                nwords.append(modified_word)
            else:
                # Simply reverse the string
                nwords.append(word[::-1])
        print("Encoded Message is:"," ".join(nwords))

    case 2:
        # else:
        nwords = []
        for word in words:
            if len(word) >= 3:
                # Remove three random characters at the starting and the end
                modified_word = word[3:-3]
                # Remove the last letter and append it at the beginning
                modified_word = modified_word[-1] + modified_word[:-1]
                nwords.append(modified_word)
            else:
                # Simply reverse the string
                nwords.append(word[::-1])
        print("Decoded Message is:"," ".join(nwords))

    case _:
        print("Wrong Choice Entered!!!")





 

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