auto save

6.py

+username="swjmt"
+password="12345"
+cishu=5
+while True:
+    if cishu>0:
+        print("你还有",cishu,"次🐔会")
+        username_in=input("请输入你的用户名")
+        password_in=input("请输入你的密码")
+        cishu = cishu-1
+        if username_in=="q":
+            break 
+        if username==username_in:
+                print("用户名正确")
+                if password==password_in:
+                    print("密码正确，欢迎来到老八系统")
+                else:
+                    print("密码错误")
+        else:
+            print("用户名错误")
+    else:
+        print("你的账号已被冻结")
\ No newline at end of file

8.py

+a=input("请输入你的鞋码")
+a=int(a)
+print("你的脚长是：",(a+10)/2,"厘米")
\ No newline at end of file

9.py

+a=input("输入乌龟的速度")
+a=int(a)
+print("乌龟追上兔子的时间是：",100/a,("秒"))
\ No newline at end of file

diy.py

-# 和你的小伙伴用列表讲讲桃园结义的故事，并说说这其中运用了哪些列表知识：
-# 来，我给你起个头~
-# 从前啊，有三个bro，分别是：刘备、关羽、张飞...
-# bro1="关羽"
-# bro2="刘备"
-# bro3="张飞"
-bros=["刘备","关羽","张飞","刘备"]
-# bro1=["关羽",160,8.5]
-# bro2=["刘备",161,9.1]
-# bro3=["张飞",166,8.3]
-# bros[0]="关羽"
-# bros[1]="刘备"
-bros.remove("刘备")
-print(bros)
\ No newline at end of file

ijjj.py

+username = "td"
+password = "00"
+x = 1
+while True:
+    if x > 0:
+        print("您还有",x,"次机会")
+        username_in = input("请输入你的用户名")
+        password_in = input("请输入你的密码")
+        x = x - 1
+        if username == username_in:
+            print("用户名正确")
+            if password == password_in:
+                print("密码正确")
+                break
+            else:
+                print("密码错误，请重新输入")
+        else:
+            print("该用户名不存在，请重新输入")
+        print("请重新输入你的用户名和密码")
+    else:
+        print("无")
+        exit()
+print("欢迎来到td系统")
\ No newline at end of file