1 import random 2 print('用列表存储随机整数: ') 3 ls = [random.randint(1, 100) for i in range(5)] 4 print(ls) 5 print('\n用集合存储随机整数: ') 6 s1 = {random.randint(1,100) for i in range(5)} 7 print(s1) 8 print('\n用集合存储随机整数: ') 9 s2 = set() 10 while(len(s2)<5): 11 s2.add(random.randint(1,100)) 12 print(s2)
问题1:1-99,不能
问题2:0-4,否
1-4,否
问题3:不一定
问题4:一定
1 datas = {'2049777001': ['篮球', '羽毛球', '美食', '漫画'], 2 '2049777002': ['音乐', '旅行'], 3 '2049777003': ['马拉松', '健身', '游戏'], 4 '2049777004': [], 5 '2049777005': ['足球', '阅读'], 6 '2049777006': ['发呆', '闲逛'], 7 '2049777007': [], 8 '2049777008': ['书法', '电影'], 9 '2049777009': ['音乐', '阅读', '电影', '漫画'], 10 '2049777010': ['数学', '推理', '音乐', '旅行']} 11 v={} 12 for i in datas.values(): 13 for j in i: 14 v[j]=v.get(j,0)+1 15 x=list(v.keys()) 16 y=list(v.values()) 17 z=[(y[i],x[i] ) for i in range(len(x))] 18 for j in sorted(z,reverse=True): 19 print(f"{j[1]}:{j[0]}")
1 import math 2 temperatures= [['2022-04-18', '星期一', '10', '22'], 3 ['2022-04-19', '星期二', '10', '22'], 4 ['2022-04-20', '星期三', '12', '25'], 5 ['2022-04-21', '星期四', '13', '28'], 6 ['2022-04-22', '星期五', '16', '31'], 7 ['2022-04-23', '星期六', '19', '31'], 8 ['2022-04-24', '星期日', '19', '27']] 9 min_tp=[] 10 max_tp=[] 11 for i in temperatures: 12 min_tp.append(eval(i[2])) 13 max_tp.append(eval(i[3])) 14 min_tp.sort() 15 max_tp.sort(reverse=True) 16 print("未来一周最高气温:{}℃".format(max_tp[0])) 17 print("未来一周最低气温:{}℃".format(min_tp[0])) 18 avg1 =round(sum(min_tp)/ len(min_tp),0) 19 print('平均最低气温是:{}'.format(avg1)) 20 avg2 =round(sum(max_tp)/ len(max_tp),0) 21 print('平均最高气温是:{}'.format(avg2)) 22 print("未来一周的平均气温区间是",avg1,"℃~",avg2,"℃")
1 print("猜猜2020年哪一天会是你的lucky day:-") 2 import random 3 lucky_day=random.randint(1,31) 4 x=int(lucky_day) 5 x1=int(input("你有三次机会,猜吧(1~31):")) 6 if x1==x: 7 print("哇,猜中了") 8 elif x1<x: 9 print("猜早啦,你的lucky day还没到呢") 10 x2=int(input("再猜(1~31):")) 11 if x2==x: 12 print("哇,猜中了") 13 elif x2<x: 14 print("猜早啦,你的lucky day还没到呢") 15 x3=int(input("再猜(1~31):")) 16 if x3==x: 17 print("哇,猜中了") 18 elif x3<x: 19 print("猜早啦,你的lucky day还没到呢") 20 print("次数用光啦") 21 print("偷偷告诉你,5月你的lucky day是",x,"号.good lucky:-") 22 elif x3>x: 23 print("猜晚啦,你的lucky day已经过了") 24 print("次数用光啦") 25 print("偷偷告诉你,5月你的lucky day是",x,"号.good lucky:-") 26 elif x2>x: 27 print("猜晚啦,你的lucky day已经过了") 28 x3=int(input("再猜(1~31):")) 29 if x3==x: 30 print("哇,猜中了") 31 elif x3<x: 32 print("猜早啦,你的lucky day还没到呢") 33 print("次数用光啦") 34 print("偷偷告诉你,5月你的lucky day是",x,"号.good lucky:-") 35 elif x3>x: 36 print("猜晚啦,你的lucky day已经过了") 37 print("次数用光啦") 38 print("偷偷告诉你,5月你的lucky day是",x,"号.good lucky:-") 39 elif x1>x: 40 print("猜晚啦,你的lucky day已经过了") 41 x2=int(input("再猜(1~31):")) 42 if x2==x: 43 print("哇,猜中了") 44 elif x2<x: 45 print("猜早啦,你的lucky day还没到呢") 46 x3=int(input("再猜(1~31):")) 47 if x3==x: 48 print("哇,猜中了") 49 elif x3<x: 50 print("猜早啦,你的lucky day还没到呢") 51 print("次数用光啦") 52 print("偷偷告诉你,5月你的lucky day是",x,"号.good lucky:-") 53 elif x3>x: 54 print("猜晚啦,你的lucky day已经过了") 55 print("次数用光啦") 56 print("偷偷告诉你,5月你的lucky day是",x,"号.good lucky:-") 57 elif x2>x: 58 print("猜晚啦,你的lucky day已经过了") 59 x3=int(input("再猜(1~31):")) 60 if x3==x: 61 print("哇,猜中了") 62 elif x3<x: 63 print("猜早啦,你的lucky day还没到呢") 64 print("次数用光啦") 65 print("偷偷告诉你,5月你的lucky day是",x,"号.good lucky:-") 66 elif x3>x: 67 print("猜晚啦,你的lucky day已经过了") 68 print("次数用光啦") 69 print("偷偷告诉你,5月你的lucky day是",x,"号.good lucky:-")
1 def f(n, x): 2 a=[0,1,2,3,4,5,6,7,8,9,'A','B','C','D','E','F'] 3 b=[] 4 while True: 5 s=n // x 6 y=n % x 7 b=b+[y] 8 if s==0: 9 break 10 n=s 11 b.reverse() 12 ans = '' 13 for i in b: 14 ans += str(a[i]) 15 return ans 16 A,B = map(int, input().split()) 17 #A是转化前进制,B是转化后进制 18 n = int(input()) 19 n = int(str(n), A) 20 ans = f(n, B) 21 print(n,"的",B,"进制数是:",ans)