第一章习题

1.1
str1 = input("请输入一个人的名字")
str2 = input("请输入一个国家的名字")
print("世界这么大，{}想去{}看看.".format(str1,str2))
1.2
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)
1.3
for i in range(1,10):
for j in range(1,i+1):
print("{}{}={:2} ".format(j,i,ij), end='')
print('')
1.4
sum,tmp = 0, 1
for i in range(1,11):
tmp = i
sum += tmp
print("运算结果是 : {}".format(sum))
1.5
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]))
1.6
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))