31 lines
1.0 KiB
Python
31 lines
1.0 KiB
Python
import string
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def to_encrypt(text, delta):
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alphabet = list(string.ascii_lowercase)
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new_text = []
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for letter in text:
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if letter.isalpha():
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letter_index = alphabet.index(letter) + delta
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if letter_index > len(alphabet):
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letter_index = letter_index - len(alphabet)
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if letter_index < 0:
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letter_index = len(alphabet) + letter_index
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new_text.append(alphabet[letter_index])
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else:
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new_text.append(letter)
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return "".join(new_text)
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if __name__ == '__main__':
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print("Example:")
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print(to_encrypt('abc', 10))
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# These "asserts" using only for self-checking and not necessary for auto-testing
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assert to_encrypt("a b c", 3) == "d e f"
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assert to_encrypt("a b c", -3) == "x y z"
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assert to_encrypt("simple text", 16) == "iycfbu junj"
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assert to_encrypt("important text", 10) == "swzybdkxd dohd"
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assert to_encrypt("state secret", -13) == "fgngr frperg"
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print("Coding complete? Click 'Check' to earn cool rewards!")
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