Answer:
def main():
for i in range(3,52,3):
print(str(i))
main()
Explanation:
def main(): # Creates main function
for i in range(3,52,3): # is an iteration that starts at 3, ends at 51 and skips 3 numbers per iteration
print(str(i)) # Outputs each 3rd integer
main() # Calls the main function
