23rd July 2024

# Fucntion to check Prime Number
def is_prime(num):
if num < 2:
return False
for i in range(2, int(num**0.5) + 1):
if num % i == 0:
return False
return True

def main():
odd_numbers_file = "odd_numbers.txt"
prime_numbers_file = "prime_numbers.txt"
odd_prime_numbers_file = "odd_prime_numbers_file.txt"

#Writing odd numbers to odd_numbers.txt
with open(odd_numbers_file, 'w') as odd_file:
count = 0
num = 1
while count < 200:
odd_file.write(f"{num}\n")
count += 1
num += 2

# Writing prime numbers to prime_numbers.txt
with open(prime_numbers_file, 'w') as prime_file:
count = 0
num = 2 # Starting checking from 2
while count < 100:
if is_prime(num):
prime_file.write(f"{num}\n")
count += 1
num += 1

#Writing odd prime number to odd_prime_numbers.txt
with (open(odd_prime_numbers_file, 'w') as odd_prime_numbers_file):
count = 0
num = 3
while num < 100 :
if num % 2 != 0 and is_prime(num):
odd_prime_numbers_file.write(f"{num}\n")
count += 1
num += 2


if __name__ == "__main__":
main()
num += 2