save project

diy2.py

 s1 = {'语文':91,'数学':88,'英语':85}
 s1 = {'语文':91,'数学':88,'英语':85}
 s2 = {'语文':100,'数学':100,'英语':0}
 s2 = {'语文':100,'数学':100,'英语':0}
-s3 = {'语文':100,'数学':100,'英语':999}
+s3 = {'语文':100,'数学':100,'英语':0}
 
 
 student = {"小明":s1,"小贝":s2,"俞老师":s3}
 student = {"小明":s1,"小贝":s2,"俞老师":s3}
 # 请对字典进行遍历，将保存的分数以键值对的形式提取打印出来
 # 请对字典进行遍历，将保存的分数以键值对的形式提取打印出来
-score = student["俞老师"]
-for k,v in score.items():
+name = input("请输入姓名：")
+if name in student:
+    score = student[name]
+    for k,v in score.items():
         print(k,v)
         print(k,v)
+else:
+    print("输入错误，没有这个人")