Convenient functions to calculate prime, odd and even numbers.

metaflow_2.py

def check_prime(x):
    """
    Convenient function that checks if a number is prime.
    """
    if x > 1:
        for i in range(2, x):
            if (x % i) == 0:
                return False
        else:
            return True
    else:
        return False


def check_odd(x):
    """
    Convenient function that checks if a number is odd.
    """
    if (x % 2) == 0:
        return False
    return True
    

def check_even(x):
    """
    Convenient function that checks if a number is even.
    """
    if (x % 2) == 0:
        return True
    return False