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31 lines
734 B
Python
31 lines
734 B
Python
import string
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def load_file():
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with open("message.txt", "r", encoding="utf-8") as f:
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content = f.read()
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return content
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lower_case = string.ascii_lowercase
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upper_case = string.ascii_uppercase
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def dechiffrer(content, step):
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resultat = ""
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for char in content:
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if char in lower_case:
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index = (lower_case.index(char) - step) % 26
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resultat += lower_case[index]
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elif char in upper_case:
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index = (upper_case.index(char) - step) % 26
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resultat += upper_case[index]
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else:
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resultat += char
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return resultat
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contenu = load_file()
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texte_dechiffre = dechiffrer(contenu, step=17)
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print("Texte déchiffré :")
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print(texte_dechiffre)
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