两个for和delay有下波浪 报错Traceback (most recent call last):File "<stdin>", line 11
代码如下 麻烦各位大佬们了
import pyb
from pyb import LED,delay
for i in range(1,5):
LED(i).off()
key = pyb.Switch()
while True:
if key.value()==1:
for i in range(1,5):
LED(i).on()
delay(1000)
LED(i).off()
else:
for i in range(4,0,-1):
LED(i).on()
delay(1000)
LED(i).off()
while key.value()==1:pass
delay(50) |