#for循环
'''
for i in range(0,10,2):
age_oldboy = 56
for i in range(3):
guess_age = int(input("guess age:"))
if guess_age == age_oldboy:
print("yes,you got it.")
break
elif guess_age >= age_oldboy:
print("think smaller...")
else:
print("think bigger...")
i += 1
else:
print("you have tried too many times..fuck off")
#
#continue:跳出本次循环,继续下一个循环。break:结束循环
for i in range(0,10):
if i < 3 or i >8:
print("loop",i)
else:
continue
print("fuck off")
'''
#循环套循环,在每个大循环下,再执行小循环。乘法法则
for i in range(10):
print('----',i)
for j in range(10):
print(j)