key_dict = {
'a': 'm',
'b': 'n',
'c': 'b',
'd': 'v',
'e': 'c',
'f': 'x',
'g': 'z',
'h': 'a',
'i': 's',
'j': 'd',
'k': 'f',
'l': 'g',
'm': 'h',
'n': 'j',
'o': 'k',
'p': 'l',
'q': 'p',
'r': 'o',
's': 'i',
't': 'u',
'u': 'y',
'v': 't',
'w': 'r',
'x': 'e',
'y': 'w',
'z': 'q',
' ': ' ',
}
def get_key(value):
for key, val in key_dict.items():
if (val == value):
return key
def monoalphabetic_encrypt():
word = input("Enter the plain text: ")
c = ''
for i in word:
i = key_dict[i]
c += i
return c
def monoalphabetic_decrypt():
word = input("Enter the cipher text: ")
c = ''
for i in word:
i = get_key(i)
c += i
return c