Normal-Games-python/caesar cipher advanced.py at master · Sunilvishyt/Normal-Games-python · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
logo = r"""

    ___      ___      ___      ___      ___      __          ___     ( )  ___     / __      ___      __
  //   ) ) //   ) ) //___) ) ((   ) ) //___) ) //  ) )     //   ) ) / / //   ) ) //   ) ) //___) ) //  ) )
 //       //   / / //         \ \    //       //          //       / / //___/ / //   / / //       //
((____   ((___( ( ((____   //   ) ) ((____   //          ((____   / / //       //   / / ((____   //        """

print(logo)

alphabet = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u',
            'v', 'w', 'x', 'y', 'z', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
            'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z']

def cipher(starttext, shiftamount, cipher_direction):
    endtext = ""
    if cipher_direction == "decode":
        shiftamount *= (-1)
    for letter in starttext:
        if letter == " ":
            endtext += " "
        elif letter in alphabet:
            position = alphabet.index(letter)
            new_position = position + shiftamount
            letter = alphabet[new_position]
            endtext += letter
        else:
            endtext += letter
    print(f"The {cipher_direction}d result is: {endtext}")

end = False
while not end:
    direction = input("Type 'encode' or 'decode' to do whatever you want:\n")
    text = input(f"Enter the text you want to {direction}: ")
    shift = int(input("Enter the shift amount: "))
    shift = shift % 26

    cipher(starttext=text, shiftamount=shift, cipher_direction=direction)
    restart = input("Do you want to restart the cipher program? Type 'yes' or 'no'.\n")
    if restart == "no":
        end = True
        print("Goodbye")