save project

func.py

+def new_input():
+    total = []
+    while True:
+        unit= input("请输入：")
+        if unit== 'q':
+            break
+        else:
+            try:
+                unit=float(unit)
+            except:
+                print('请输入数字')
+            else:
+                total.append(unit)
+    return total
+
+def first(second):
+    conut=0
+    for i in second:
+        conut=conut+i
+    return conut
+
+
+result=new_input()
+
+pay=first(result)
+print('你需要支付'+str(pay)+'元')
\ No newline at end of file