Python 嵌套循环_houyanhua1的专栏

#coding=utf-8

i=0

while i<10:
	j=0
	while j<i+1:
		print("*",end='')
		j+=1
	i+=1
	print("")

while i>=0:
	j=0
	while j<i+1:
		print("*",end='')
		j+=1
	i-=1
	print("")
#coding=utf-8

i=0

while i<10:
	j=0
	while j<i