Python基础练习题

Question

 

Answer 1

帮助到你能点个采纳吗，谢谢~~

第一题

import random
d={"Mary":0,"Tom":0,"Jason":0,"Allen":0,"Martin":0,"Rose":0};
s=0
for key in d.keys():
    x=random.randint(1,10)
    d[key]=x

for key,value in d.items():
    s+=value

print("一共发放了{}件奖牌".format(s))

for key in sorted(d.keys()):
    print("{}--{}".format(key,str(d[key])))

第二题

def count(num):
    n=0
    while num!=0:
        if num%10==1:
             n+=1
        num=num//10
    return n

x=int(input("请输入一个正整数："))
m=0
for i in range(1,x+1):
    m+=count(i)

print("1到{}之间共有{}个1".format(x,m))