Update and rename HOP 1.0.1 - decode.py to HOP 1.0.1.1.py
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PeacefulPotato
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#1.0:
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#Released HOP Decode
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#1.0.1:
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#Updated version number to match HOP Encode
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#Added changelog
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import base64
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ciphertext=input("Enter message to decode: ")
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steponel = list(ciphertext)
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stepone = ""
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for i in range(len(steponel)-1):
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stepone=stepone+steponel[i]
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steptwo = stepone.encode('utf-8')
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steptwob = base64.a85decode(steptwo)
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steptwoc = steptwob.decode('utf-8')
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def vigenere_dec(cipher,key):
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alphabet = "abcdefghijklmnopqrstuvwxyz0123456789"
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input_string = ""
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dec_key = ""
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dec_string = ""
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dec_key = key
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dec_key = dec_key.lower()
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input_string = cipher
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input_string = input_string.lower()
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string_length = len(input_string)
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expanded_key = dec_key
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expanded_key_length = len(expanded_key)
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while expanded_key_length < string_length:
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expanded_key = expanded_key + dec_key
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expanded_key_length = len(expanded_key)
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key_position = 0
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for letter in input_string:
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if letter in alphabet:
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position = alphabet.find(letter)
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key_character = expanded_key[key_position]
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key_character_position = alphabet.find(key_character)
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key_position = key_position + 1
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new_position = position - key_character_position
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if new_position > 35:
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new_position = new_position + 36
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new_character = alphabet[new_position]
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dec_string = dec_string + new_character
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else:
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dec_string = dec_string + letter
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return(dec_string)
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def stepfour(stepthree):
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stepthree=str(int(stepthree,36))
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test = list(stepthree)
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if len(test)%3==1:
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stepthree="00"+stepthree
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if len(test)%3==2:
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stepthree="0"+stepthree
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stepthreel = list(stepthree)
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stepfourl = [""]*int((float(len(stepthreel))/3))
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k = 0
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while k < len(stepthreel)-2:
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stepfourl[int(k/3)] = stepthreel[k] + stepthreel[k+1] + stepthreel[k+2]
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k = k + 3
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for j in range(len(stepfourl)):
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temp = stepfourl[j]
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temp = int(temp)
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temp = chr(temp)
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stepfourl[j] = temp
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stepfour=""
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for l in range(len(stepfourl)):
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stepfour = stepfour + stepfourl[l]
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return(stepfour)
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key = input("Enter encryption key: ")
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stepthree = vigenere_dec(steptwoc, key)
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stepfour = stepfour(stepthree)
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print("Your decoded message: "+stepfour)
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@ -0,0 +1,153 @@
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#Changelog:
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#HOP Encode
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#1.0:
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#Released HOP Encode
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#1.0.1:
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#Updated version number
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#Added optimize for Discord option
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#Added changelog
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#Hop Decode
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#1.0:
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#Released HOP decode
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#1.0.1:
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#Updated version number to match that of HOP Encode
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#Added changelog
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import base64
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def decode(ciphertext, key):
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steponel = list(ciphertext)
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stepone = ""
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for i in range(len(steponel)-1):
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stepone=stepone+steponel[i]
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steptwo = stepone.encode('utf-8')
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steptwob = base64.a85decode(steptwo)
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steptwoc = steptwob.decode('utf-8')
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def vigenere_dec(cipher,key):
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alphabet = "abcdefghijklmnopqrstuvwxyz0123456789"
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input_string = ""
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dec_key = ""
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dec_string = ""
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dec_key = key
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dec_key = dec_key.lower()
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input_string = cipher
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input_string = input_string.lower()
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string_length = len(input_string)
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expanded_key = dec_key
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expanded_key_length = len(expanded_key)
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while expanded_key_length < string_length:
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expanded_key = expanded_key + dec_key
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expanded_key_length = len(expanded_key)
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key_position = 0
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for letter in input_string:
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if letter in alphabet:
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position = alphabet.find(letter)
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key_character = expanded_key[key_position]
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key_character_position = alphabet.find(key_character)
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key_position = key_position + 1
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new_position = position - key_character_position
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if new_position > 35:
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new_position = new_position + 36
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new_character = alphabet[new_position]
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dec_string = dec_string + new_character
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else:
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dec_string = dec_string + letter
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return(dec_string)
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def stepfour(stepthree):
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stepthree=str(int(stepthree,36))
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test = list(stepthree)
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if len(test)%3==1:
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stepthree="00"+stepthree
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if len(test)%3==2:
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stepthree="0"+stepthree
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stepthreel = list(stepthree)
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stepfourl = [""]*int((float(len(stepthreel))/3))
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k = 0
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while k < len(stepthreel)-2:
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stepfourl[int(k/3)] = stepthreel[k] + stepthreel[k+1] + stepthreel[k+2]
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k = k + 3
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for j in range(len(stepfourl)):
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temp = stepfourl[j]
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temp = int(temp)
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temp = chr(temp)
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stepfourl[j] = temp
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stepfour=""
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for l in range(len(stepfourl)):
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stepfour = stepfour + stepfourl[l]
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return(stepfour)
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stepthree = vigenere_dec(steptwoc, key)
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stepfour = stepfour(stepthree)
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output = "Your decoded message: "+stepfour
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return output;
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def encode(plaintext, key):
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def b36_encode(i):
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if i < 0: return "-" + b36_encode(-i)
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if i < 36: return "0123456789abcdefghijklmnopqrstuvwxyz"[i]
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return b36_encode(i // 36) + b36_encode(i % 36)
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def stepone(plaintext):
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magicasciipowers = list(plaintext)
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numbersgohere = [""]*len(magicasciipowers)
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for i in range(len(magicasciipowers)):
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temp = magicasciipowers[i]
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temp = ord(temp)
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if (temp<100):
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numbersgohere[i]="0"+str(temp)
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else:
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numbersgohere[i]=str(temp)
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numbers = ""
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for i in range(len(numbersgohere)):
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numbers=numbers+numbersgohere[i]
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return(int(numbers))
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def vigenere_enc(stepone,key):
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alphabet = "abcdefghijklmnopqrstuvwxyz0123456789"
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input_string = ""
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enc_key = ""
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enc_string = ""
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enc_key = key
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enc_key = enc_key.lower()
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input_string = stepone
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input_string = input_string.lower()
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string_length = len(input_string)
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expanded_key = enc_key
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expanded_key_length = len(expanded_key)
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while expanded_key_length < string_length:
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expanded_key = expanded_key + enc_key
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expanded_key_length = len(expanded_key)
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key_position = 0
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for letter in input_string:
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if letter in alphabet:
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position = alphabet.find(letter)
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key_character = expanded_key[key_position]
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key_character_position = alphabet.find(key_character)
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key_position = key_position + 1
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new_position = position + key_character_position
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if new_position > 35:
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new_position = new_position - 36
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new_character = alphabet[new_position]
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enc_string = enc_string + new_character
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else:
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enc_string = enc_string + letter
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return(enc_string)
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steptwo = vigenere_enc(b36_encode(stepone(plaintext)),key)
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steptwob = steptwo.encode('utf-8')
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stepthree = base64.a85encode(steptwob)
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stepthreeb = stepthree.decode('utf-8')
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stepfour = str(stepthreeb)+"h"
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answer = False
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while answer == False:
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discord = input("Optimize for discord? y or n: ")
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if(discord=="y"):
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answer = True
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stepfour = "```"+str(stepthreeb)+"h```"
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elif(discord=="n"):
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answer = True
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output="Your encoded message: "+stepfour
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return output
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var = input("Encode or Decode? 1 for encode, 2 for decode: ")
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if (var=="1"):
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ciphertext = input("Enter message to encode: ")
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key = input("Enter encryption key: ")
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print(encode(ciphertext, key))
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elif (var=="2"):
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plaintext = input("Enter message to decode: ")
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key = input("Enter encryption key: ")
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print(decode(plaintext, key))
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