"""
Develop a program to find all the prime numbers in a given range.

def find_primes(start, end):
    # Initialize a list
    primes = []
    for num in range(start, end + 1):
        # prime numbers are greater than 1 
        if num > 1:
            for i in range(2, num): 
                if (num % i) == 0: 
                    break 
            else: 
                primes.append(num) 
    return primes

if __name__ == "__main__":
    start, end = 4, 20
    prime_list = find_primes(start, end)
    print("The prime numbers between", start, "and", end, "are", prime_list)

"""
L'intervallo va da 4 a 20
Sviluppare un programma per trovare tutti i numeri primi in un dato intervallo.