save project

diy.py

@@ -2,6 +2,11 @@ pop={'生菜':3.01,'西瓜':5.5,'土豆':3.5}
 r=input('输入蔬菜')
 r=input('输入蔬菜')
 m=input('蔬菜价格')
 m=input('蔬菜价格')
 if r in pop:
 if r in pop:
-    if m<pop[r]:
-        pop[r]=int(m)
-        print()
+    if float(m)<pop[r]:
+        pop[r]=str(m)
+        print(r+'我买')
\ No newline at end of file
+    else:
+        print('我们不买')
+else:
+    pop[r]=float(v)
+    print(pop)
\ No newline at end of file