auto save

diy2.py

+c={'小明':56,'小刚':66,'小兵':87}
+k=input("请输入姓名")
+v=input("请输入新成绩")
+if k in c:
+    if int(v)>c[k]:
+        c[k]=int(v)
+        print(k+"的成绩已被更新为"+str(v))
+    else:
+        print("继续加油")
+else:
+    c[k]=int(v)
+    print("恭喜"+k+"的成绩已被更新")
+    print(c)
\ No newline at end of file

diy3.py

+c={'e':45,'r':56,'t':68}
+k=input("REfsef")
+v=input("sfdsfesf")
+if k in c:
+    if int(v)>c[k]:
+        c[k]=int(v)
+        print(k+"的成绩已更新为"+str(v))
+    else:
+        print("继续加油")
+else:
+    c[k]=int(v)  
+    print(k+"的成绩已被更新")
+    print(c)       
\ No newline at end of file