x=0
for i in range(6):
for j in range(7):
x=x+1
print (x)
i=1
sum=0
while i<=20:
if I %2==0:
sum=sum-i
else:
sum=sum+i
i +=1
print (sum)
a=0 for i in range(1,100): if i%3==0: a=a+i print(a) |
a=0 for i in range(1,100): if i%3==0: a=a+1 print(a) |
a=0 for i in range(0,100,3): a=a+1 print(a) |
a=0 for i in range(0,99,3): a=a+i print(a) |
a=3
b=2
a=a*b
print(a)
百千白鸡问题是经典的数学问题,原题为“鸡翁一,值钱五;鸡母一,值钱三;鸡雏三,值钱一;百钱买百鸡,则翁、母、雏各几何?”翻译过来,意思是公鸡一个五块钱,母鸡一个三块钱,小鸡三个一块钱,现在要用一百块钱买一百只鸡,问公鸡、母鸡、小鸡各多少只?
import random
while True:
x=random.randrange(0,20)
y=random.randrange(0,33)
z=random.randrange(0,100)
if 5*x+3*y+z/3==100 and x+y+z==100:
print('公鸡',x)
print('母鸡',y)
print('小鸡',z)
n=input(“请输入一个实数:”)
n2= math. floor(float(n))
print(n2)
for i in range(2,5):
print(i)
for i in range(0,2):
print(i, end=" ")