save project

l.py

+def l():
+    l=[]
+    while True:
+        unit=input("请输入（q退出")
+        if unit=="q":
+            break
+        else:
+            try:
+                unit=int(unit)
+            except:
+                print("请输入")
+            finally:
+                print("=====================")
+    return l
+def sum(money):
+    count=0
+    for i in money:
+        count=count+i
+    return count
+