save project

xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx.py

+cost= {'平果':5.2,'山竹':1234567899,'想叫':90.9}
+k=input('水果名称：')
+v=input('水果价钱：')
+if k in costcost:
+    if float(v)<cost[k]:
+       cost[k]= float(v)
+       print(k+'便易了，现在'+v+'元')
+            else:
+                print(k+'不买了')
+else:
+    cost[k] = float(v)
+     print(k+'的价钱'+v+'元以上传')
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