练习1

练习1

a=int(input('>>>'))
b=int(input('>>>'))
if a>b:
print(a)
else:
print(b)

val=input(">>>") #good
val=int(val)
if val>=1000: #fold思想
if val>=10000:
print(5)
else:
print(4)
else:
if val>=100:
print(3)
elif val>=10:
print(2)
else:
print(1)

a=6666
if a<10:
print(1)
elif a<100:
print(2)
elif a<1000:
print(3)
elif a<10000:
print(4)
else:
print(5)

i=int(input('input a number:'))
if i//10000: #False等价布尔值，相当于bool(value)
print(5)
elif i//1000:
print(4)
elif i//100:
print(3)
elif i//10:
print(2)
else:
print(1)

思想：能加就不要减，能乘就不要除，能比较就不要算

相关推荐