save project

func.py

+def a():
+    total = []
+    x=0
+    while True:  
+        unit=int(input("请输入："))     
+    
+        total.append(unit)
+        
+try :
+    a()
+except ValueError:
+    print('你错了')
+else:
+    for i in total():
+        x=x+i