21 lines
497 B
Python
21 lines
497 B
Python
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import sys
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from project_helper import read_from_file
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KEY = "VOLLY"
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def shift(char_list, key):
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ans = ""
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for i in range(len(char_list)):
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char = chr((ord(char_list[i]) - ord('A') + 26 - (ord(key[i % len(key)]) - ord('A'))) % 26 + ord('A'))
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ans += char
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return ans
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if __name__ == "__main__":
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if len(sys.argv) == 1:
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print("Usage: %s <path to file>" % sys.argv[0])
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exit(-1)
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char_list = read_from_file(sys.argv[1])
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print(shift(char_list, KEY))
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