python turtle generative art
import turtle
running = True
while running:
print('enter triangle, square, or exit:')
entered = input()
if entered == 'triangle':
for i in range(3):
turtle.forward(100)
turtle.right(120)
elif entered == 'square':
for i in range(4):
turtle.forward(100)
turtle.right(90)
elif entered == 'exit':
running = False
print('exiting...')
else:
print('not a command')
print('bye!')