auto save

2-4-diy1.py

+username = "python"
+userpassword = "123456"
+name = input("请输入用户名:")
+password = input("请输入密码:")
+if name == username and password == userpassword:
+    print("登录成功!")
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2-9-diy4.py

+student1 = {'语文': 91, '数学': 88, '英语': 85}
+student2 = {'语文': 97, '数学': 98, '英语': 90}
+student3 = {'语文': 95, '数学': 100, '英语': 93}
+score = {'悟空': student1, '诺依': student2, '小贝': student3} 
+
+name = input("名字：")
+print("*" * 30)   
+if name in score:   
+    score = score[name]
+    for k, v in score.items():
+        print(k, v)
+    print("*" * 30)   
+else:   
+    print("查询错误，请输入正确的名字")   
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2-9-diy5.py

+student1 = {'语文': 91, '数学': 88, '英语': 85}
+student2 = {'语文': 97, '数学': 98, '英语': 90}
+student3 = {'语文': 95, '数学': 100, '英语': 93}
+score = {'悟空': student1, '诺依': student2, '小贝': student3} 
+
+while True:
+    print("请输入要查询的名字，退出请输入q")
+    name = input("姓名:")
+    print("*" * 30)
+    if name in score:
+        info = score[name]
+        for k,v in info.items():
+            print(k, v)
+        print("*" * 30)
+    elif name == "q":
+        break
+    else:
+        print("查询错误，请重新输入")
+        print("*"*30)
+print("程序结束")
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