auto save

func.py

 
+def str(a):
+    str1 =0
+    for i in a :
+        str1=str1+i
+    return str1
 def s():
     total = []
     while True:
         unit= input("str：")
         
-        if unit== 'q':str
+        if unit== 'q':
             break
         else:
             try:
@@ -15,4 +20,4 @@ def s():
                 total.append(unit)
     return total
 a=s()
-print(a)
\ No newline at end of file
+print(str(a))
\ No newline at end of file