[Python] Set

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Simple example of set in Python

s = set()

s.add(1)
s.add(2)
s.add(3)
s.add(4)
s.add(3)

print(s)

[Python] Readability

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Python version of Readability

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This is a credit card validation with Luhn’s Algorithm

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1. Resolve case

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Step 1. Setup packages required