12-3_polygon.py

import turtle as t

def polygon(n):
	# 
	for x in range(n):
		# 
		t.forward(50)
		# 
		t.left(360/n)

def polygon2(n, a):
	for x in range(n):
		t.forward(a)
		t.left(360/n)

# 
polygon(3)
# 
polygon(5)

# 
t.up()
t.forward(100)
t.down()

# 
polygon2(3, 75)
# 
polygon2(5, 100)