i=1
sum=0
while i<=20:
if I %2==0:
sum=sum-i
else:
sum=sum+i
i +=1
print (sum)
for i in range(1,6): if i>3: print(i) |
height=input('你的身高是多少米:')
height=float(height)
weight =input('你的体重是多少KG:')
weight =float(weight)
BMI=weight/(height*height)
if BMI>=24.9:
print('肥胖')
① BMI<24.9 ② BMI>=18.5:
print('正常')
else:
print('偏瘦')
① ②
sum=0
for i in range(1,11,1) :
sum=sum+i
print( sum)