第一章课后习题

str1 = input("请输入一个人的名字：")
str2 = input("请输入一个国家的名字：")
print = input("世界这么大，{}想去{}看看.".format(str1,str2))

n = input("请输入整数N：")
sum = 0
for i in range(int(n)):
sum+=i+1
print("1到N之和：",sum)

for i in range(1,10):
for j in range(1,i+1):
print("{}{}={:2}".format(j,i,ij),end="")
print('')

sum,tmp=0,1
for i in range(1,11):
tmp *=i
sum +=tmp
print("运算结果是：{}".format(sum))

diet = ['西红柿','花椰菜','黄瓜','牛柳','虾仁']
for x in range(0,5):
for y in range(0,5):
if not(x==y):
print("{}炒{}".format(diet[x],diet[y]))

import random
name = input("请输入名字：")
lucky =1
random.seed(7)
for c in name:
lucky += ord(c)*random.randint(1,77)
print("幸运数字是：{}".format(lucky %777))