Python program to find prime number

by 
def is_prime(num):
    """Checks if a number is prime or not"""
    if num <= 1:
        return False
    for i in range(2, int(num**0.5)+1):
        if num % i == 0:
            return False
    return True

You can use this function by calling it with a number as an argument. It will return True if the number is prime, and False otherwise.

For example, you can check if the number 7 is prime:

>>> is_prime(7)
True

And you can check if the number 15 is prime:

>>> is_prime(15)
False

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