Day 5: decoding
Hi there! I’m a passionate learner who loves exploring Python's endless possibilities. Over the past years, I’ve immersed myself in coding, honing my skills by tackling diverse projects that combine creativity and problem-solving.
From building a modern rendition of the classic Asteroids game in Python to experimenting with data visualization and automation, I thrive on turning ideas into reality through code.
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Today, I did the opposite of yesterday's encoding and decoded the cipher given the coded message and the shift value.
def decrypt(text, shift):
new_text = []
for letter in text:
index = alphabet.index(letter)
new_position = (index - shift) % len(alphabet)
new_text.append(alphabet[new_position])
print(''.join(new_text))
The key was to make sure that if the value is low like 'b' and you're shifting that you loop around to the end by using the modulus operator.
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