save project

func.py

+def caidan():
+    total=[]
+    while True:
+        unit= input("请输入价格")
+        if unit=='q':
+            break
+        else:   
+            try:
+                unit=int(unit)
+            except:
+                continue
+            total.append(unit)
+    return total       
+jiage=caidan()
+sum=0
+for i in jiage:
+    sum+=i
+print(sum)
\ No newline at end of file