save project

sb.py

+score= {'x':6,'xx':7,'xxx':9}
+k=input('姓名')
+v=input('成绩')
+if k in score:
+    if int(v)>score[k]:
+        score[k]=int(v)
+        print(k+'同学，你的成绩被刷新为'+v+'分')
+    else:
+        print(k+'同学，你的成绩未被刷新')
+else:
+    score[k]=int(v)
+    print(k+'同学,第一次成绩'+v+'分以上传')
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