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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:


def is_prime(n):
    """Return true if a given number is prime, and false otherwise. False True True True True False False """
    if n < 2:
        return False
    for k in range(2, n - 1):
        if n % k == 0:
            return False
    return True
