save project

diy1.py

 def new_input():
-    
\ No newline at end of file
+    to = []
+    while True:
+        un = input("请输入(q退出):")
+        if un == 'q':
+            break
+        else:
+            try:
+                un = int(un)
+            except:
+                print("请重新输入一个数字")
+            else:
+                to.append(un)    
+            finally:
+                print("==================================================")
+        return to
+
+
+def sum(money):
+    co = 0
+    for i in money:
+        co = co + i
+    return co                    
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