if
has_ticket = True
knife_length = 10
if has_ticket:
print("车票检查通过，准备开始安检")
if not knife_length < 20:
print("您携带的刀太长了，有 %d 公分长！" % knife_length)
print("不允许上车")
else:
print("安检已经通过，祝您旅途愉快！")
else:
print("大哥，请先买票")
while
row = 1
while row <= 9:
col = 1
while col <= row:
print("%d * %d = %d" % (col, row, col * row), end="\t")
col += 1
print("")
row += 1
Processed:
0.018, SQL:
9
