58 lines
1.7 KiB
Python
58 lines
1.7 KiB
Python
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#! /usr/bin/python3
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# -*- coding: utf-8 -*-
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def carot13(c):
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""" transforme le caractère c en un caractère rot13 de c i.e. 13 lettres plus loin"""
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n=ord(c)-97 # transforme la lettre minuscule entre a et z en un entier entre 0 et 25
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m=(n+13)%26 # phase de César je tourne la roue (avec des nombres de 0 à 25) d'un demi tour
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rotc=chr(m+97) # traduction en charactère entre a et z
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return rotc
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def marot13(mot):
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motEnRot=""
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for c in mot:
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# print("boucle : " + carot13(c))
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# motEnRot = motEnRot + carot13(c)
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motEnRot += carot13(c) # Même chose que ligne précédente
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return motEnRot
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### En trichant.
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def rot13(phrase):
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phraseEnRot=""
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for c in phrase:
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if (c != ' '):
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phraseEnRot += carot13(c)
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else :
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phraseEnRot += ' '
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return phraseEnRot
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# test
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print("test rot13")
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print("abcdefghijklmnopqrstuvwxyz")
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print(marot13("abcdefghijklmnopqrstuvwxyz"))
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print(marot13(marot13("abcdefghijklmnopqrstuvwxyz")))
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p="the lazy dog jumped over the quick brown fox"
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print(rot13(p))
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# Sans tricher.
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#L="the lazy dog jumped over the quick brown fox".split()
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#L = p.split() #ou comme ceci puisque le message p est défini ci-dessus.
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#"XX".join(L)
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#'theXXlazyXXdogXXjumpedXXoverXXtheXXquickXXbrownXXfox'
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#" ".join(L)
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#'the lazy dog jumped over the quick brown fox'
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maListeDeMots=p.split()
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maListeDeMotsEnRot13=[marot13(mot) for mot in maListeDeMots]
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#print(maListeDeMotsEnRot13)
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print(" ".join(maListeDeMotsEnRot13))
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### En une seule fois.
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MessageSecret="Having a lower tax, simpler, fairer, flatter tax system is something that can drive growth."
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print(" ".join([marot13(mot) for mot in MessageSecret.split()]))
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