Python全栈-Day05

 1 #__author__:TQTL911
 2 #date:‘18/3/4 16:47‘
 3 #Req：打印个人的姓名、年龄、工作、薪水
 4 name = input("Namge:")#获取用户输入name,age,job,salary
 5 age = int(input("Age:"))
 6 job = input("Job:")
 7 salary = input("Salary:")#判断salary变量长得像不像数字)
 8 if salary.isdigit():
 9     salary = int(salary)#对salary变量进行重新复制
10 # else:
11 #     print("Must input digit.")
12 #     exit("Must be digit.")#退出程序，程序不再顺序执行
13 #print(name,age,job,salary)
14 #打印多行文本
15 msg = ‘‘‘
16 ----------info of %s----------
17 Name:%s
18 Age:%d
19 Job:%s
20 Salary:%f
21 You will be retired in %d years
22 ‘‘‘%(name,name,age,job,salary,65-age)
23 print(msg)#以上就叫做格式化的输出

1 name = "cuixiaozhao"
2 age = str("26")
3 comefrom = "china hebei"
4 print("my name is ",name,"I‘m",age,"years old and I come from",comefrom,".")
5 print("my name is "+name+"I‘m"+age+"years old and I come from"+comefrom+".")

 1 #__author__:TQTL911
 2 #date:‘18/3/4 18:14‘
 3 for i in range(3):
 4     user = "cxz"
 5     passwd = "abc123456"
 6     username = input("Username:")
 7     password = input("Password:")
 8     #进行逻辑判断
 9     if user == username:
10         print("Welcome %s login."%user)#%s 字符串的格式化输出，多个值时，使用%(a,b,c)
11         break
12     else:
13         print("Invalid Username or Password")
14 else:
15     print("要不要脸，请不要再尝试了！")
16 #程序员最忌讳的是，重复的代码，我们应该减少重复的代码
17 #for循环
18 for i in range(3):
19     print("Loop:",i)
20 打印1~100之间的所有数字
21 for i in range(1,101):
22     print(i)
23 # 打印1~100之间的所有奇数
24 for i in range(1,101):
25     if i % 2 == 1:
26         print(i)
27 # 打印1~100之间的所有奇数
28 for i in range(1,101,2):
29     print(i)
30 # 打印1~100之间的所有偶数
31 for i in range(1,101):
32     if i % 2 == 0:
33         print(i)
34 # 打印1~100之间的所有偶数
35 for i in range(2,101,2):#此处末端取101或102均可
36     if i % 2 == 0:
37         print(i)
38 #Req：1~100，大于50且小于70之间不打印
39 for i in range(100):
40     if i < 50 or i > 70:
41         print(i)
42 for i in range(100):
43     if i >= 50 and i < 70:
44         continue
45     print(i)

 1 #__author__:TQTL911
 2 #date:‘18/3/4 18:51‘
 3 counter = 0
 4 while counter < 3:
 5     user = "cxz"
 6     passwd = "abc123456"
 7     username = input("Username:")
 8     password = input("Password:")
 9     # 进行逻辑判断
10     if user == username:
11         print("Welcome %s login." % user)  # %s 字符串的格式化输出，多个值时，使用%(a,b,c)
12         break
13     else:
14         print("Invalid Username or Password")
15         counter += 1
16         if counter == 3:
17             keep_going = input("还想继续玩吗？[y/n]")
18             if keep_going == "y":
19                 counter = 0
20 else:
21     print("要不要脸，请不要再尝试了！")

 1 #__author__:TQTL911
 2 #date:‘18/3/4 19:29‘
 3 exit_flag = False#定义一个标志位
 4 for i in range(10):
 5     if i < 5:
 6         continue
 7     print(i)
 8     for j in range(10):
 9         print("Layer2",j)
10         if j == 6:
11             exit_flag = True
12             break
13     if exit_flag:
14         break

 1 name0=‘wuchao‘
 2  name1=‘jinxin‘
 3  name2=‘xiaohu‘
 4  name3=‘sanpang‘
 5  name4=‘ligang‘
 6 
 7  names=‘wuchao jinxing xiaohu sanpang ligang‘
 8 
 9  a=[‘wuchao‘,‘jinxin‘,‘xiaohu‘,‘sanpang‘,‘ligang‘,[‘wuchao‘,‘jinxin‘]]
10 
11 #增删改查
12 #查  切片 []
13  print(a[1:])#取到最后
14  print(a[1:-1])#取到倒数第二值
15  print(a[1:-1:1])#从左到右一个一个去取
16  print(a[1::2])#从左到右隔一个去取
17  print(a[3::-1])
18  b=a[3::-1]
19  print(b)#[‘sanpang‘, ‘xiaohu‘, ‘jinxin‘, ‘wuchao‘]
20  print(a[-2::-1])
21  print(a[1:-1:-2])
22 
23 #添加 append insert
24 
25  a.append(‘xuepeng‘)  #默认插到最后一个位置
26  print(a)
27  a.insert(1,‘xuepeng‘) #将数据插入到任意一个位置# print(a)
28 
29 #修改
30 a[1]=‘haidilao‘
31 print(a)
32 a[1:3]=[‘a‘,‘b‘]
33 print(a)
34 
35 
36 #删除 remove pop del
37 a.remove(a[0])#此方法不可取
38 print(a)
39 b=a.pop(1)
40 print(a)
41 print(b)#带有返回值
42 del a[0]#删除a列表中的指定索引值的元素
43 print(a)
44 del a #直接删除整个a列表
45 print(a)
46 a.remove([‘wuchao‘,‘jinxin‘])
47 print(a)
48 #count方法计算某元素出现次数
49 t=[‘to‘, ‘be‘, ‘or‘, ‘not‘, ‘to‘, ‘be‘].count(‘to‘)
50 print(t)
51 
52 #extend方法拓展list
53 a = [1, 2, 3]
54 b = [4, 5, 6]
55 a.extend(b)
56 print(a)
57 print(b)
58 
59 # index方法根据内容找位置
60 a = [‘wuchao‘, ‘jinxin‘, ‘xiaohu‘,‘ligang‘, ‘sanpang‘, ‘ligang‘, [‘wuchao‘, ‘jinxin‘]]
61 first_lg_index = a.index("ligang")
62 #print("first_lg_index",first_lg_index)
63 # little_list = a[first_lg_index+1:]
64 #
65 # second_lg_index = little_list.index("ligang")
66 # print("second_lg_index",second_lg_index)
67 #
68 # second_lg_index_in_big_list = first_lg_index + second_lg_index +1
69 #
70 # print("second_lg_index_in_big_list",second_lg_index_in_big_list)
71 # print("second lg:",a[second_lg_index_in_big_list])
72 
73 # reverse方法-取反序列
74 a = [‘wuchao‘, ‘jinxin‘, ‘xiaohu‘,‘ligang‘, ‘sanpang‘, ‘ligang‘]
75 a.reverse()
76 print(a)
77 
78 x = [4, 6, 2, 1, 7, 9]
79 x.sort(reverse=True)
80 print(x)#[1, 2, 4, 6, 7, 9]
81 
82 
83 a = [‘wuchao‘, ‘jinxin‘, ‘Xiaohu‘,‘Ligang‘, ‘sanpang‘, ‘ligang‘]
84 a.sort()
85 print(a)
86 
87 print(a.count("haidilao ge"))
88 print(a.pop())
89 print(a)