def BMI(weight,height):
bmi = weight/(height**2)
return bmi
bmi = BMI(80,1.5)
print('您的BMI指数是：%s'%bmi)
if bmi<18.5:
print('太瘦')
elif bmi<25:
print('正常')
elif bmi<28:
print('微胖')
elif bmi<32:
print('肥胖')
elif bmi>32:
print('死肥宅')
# num1 =int(input('shuzi1:'))
# num2 =int(input('shuzi2:'))
# if num1>num2:
# print(num1)
# else:
# print(num2)
# year =int(input('year:'))
# if ((year%4==0)and(year%100!=0)or(year%400==0)):
# print('此年份为闰年')
# else:
# print('此年份为平年')
# num1 =int(input('num1:'))
# num2 =int(input('num2:'))
# num3 =int(input('num3:'))
# if num1>num2 and num1 >num3:
# print(num1)
# if num2>num3 and num2 >num1:
# print(num2)
# if num3>num2 and num3 >num1:
# print(num3)
# def equation(a,b,c,x):
# y = a*x**2+b*x+c
# k = b**2-4*a*c
# if y <= 0:
# elif k<0:
# print('无实根')
# elif k<=0:
# x = (-b)/(2*a)
# print('相等实根X为%s'%x)
# elif k>0:
# x1 = (-b+math.sqrt(d))/(2*a)
# x2 = (-b-math.sqrt(d))/(2*a)
# print('实根X1为%s'%x1)
# print('实根X2为%s'%x2)
# return 0
# print(equation(1,2,1,1))
def product(a,b):
return a*b
print(product(2666,3555))
# import math
# PI = math.sqrt
# print(PI)
n=int(input('please input a integer:'))
s=1
while n!=0:
s=s*n
n=n-1
print(s)
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