save project

123.py

+def new_():
+    total=[]
+    while True:
+    if unit=='q':
+        break
+    else:
+        try:
+            unit= int(unit)
+        except:
+            print('请重新输入一个数字')
+        else:
+            totle.append(unit)
+        finally:
+            print("========================")
+    return totle
+
+def sum(money):
+    count=0
+    for i in money:
+        count=count+i
+    return count
+
+
+
+
+    price=new_imput()
+    pay=sum(price)
+    print("您一共消费了"+str(pay)+"元，现金还是扫码")
+
+
+    
\ No newline at end of file