save project

diy5.py

+dict={"可乐":3,"牛奶":1}
+j=input("买什？")
+if j in dict:
+    print("您选物品"+j+"价为"+str(dict[j])+"元")
+else:
+    print("您选物品"+j+"缺货")
\ No newline at end of file

diy6.py

+score={"小王":82,"小美":100,"小民":78}
+k=input("请输入人名")
+v=input("请输入新成")
+if k in score:
+    if int(v)<score[k]:
+        score[k]=int(v)
+        print(k+"降价了，现价")