auto save

1.py

+goods = {'可口可乐':3,'旺仔牛奶':4,'农夫山泉':1,'辣条':3,'巴西烤肉':2,'果冻':4,'乐事':5,'奥利奥':10,'巧克力':6}
+
+goods.pop("农夫山泉")
+#goods.clear()
+print(goods) 
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2.py

+score = {'语文':91,'数学':88,'英语':85}
+#
+# for k in score.keys():  
+#     print(k)
+# for k in score.values():  
+#     print(k)
+
+# for k,v in score.items():  
+#     print(k,v)
+# for i in score:
+#     print(i)

3.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}    #
+#print(score)
+
+name = input("名字：")
+info = score[name]   
+for k, v in info.items():
+    print(k, v)
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4.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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5.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] 
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