Check if a number is prime

Created on Jan. 16, 2017 by Julien Palard

Define the function is_prime(n).

n is number that the function is_prime takes as a parameter.

The function is_prime return True if n is a prime number, False otherwise. Such as:

Examples

>>> from solution import is_prime
>>> is_prime(1)
False
>>> is_prime(2)
True
>>> is_prime(3)
True
>>> is_prime(4)
False
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