58 lines
1.4 KiB
Python
58 lines
1.4 KiB
Python
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alphabet=["a", "b", "c", "d", "e", "f", "g", "h", "i",
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"j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t",
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"u", "v", "w", "x", "y", "z", " "]
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def get_data():
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word=input("Enter your message: ")
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word=word.lower()
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num=int(input("Enter a number (1-26): "))
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while num>26 or num==0:
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num=int(input("Out of range, Please enter a number (1-26): "))
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data=(word,num)
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return(data)
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def make_code(word,num):
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new_word=""
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for x in word:
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y=alphabet.index(x)
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y=y+num
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if y>26:
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y=y-27
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char=alphabet[y]
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new_word=new_word +char
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print(new_word)
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print()
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def decode(word,num):
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new_word=""
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for x in word:
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y=alphabet.index(x)
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y=y-num
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if y<0:
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y=y+27
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char=alphabet[y]
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new_word=new_word +char
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print(new_word)
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print()
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def main():
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again=True
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while again==True:
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print("1) Make a code")
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print("2) Decode a message")
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print("3) Quit")
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print()
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selection=int(input("Enter your selection: "))
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if selection==1:
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(word,num)=get_data()
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make_code(word,num)
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elif selection==2:
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(word,num)=get_data()
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decode(word,num)
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elif selection==3:
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again=False
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else:
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print("Incorrect selection")
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main()
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