去除重复方法

@@ -130,11 +130,3 @@ def get_stringcode(n):
 
 def get_randint(value1, value2):
     return randint(value1, value2)
\ No newline at end of file
-
-
-def convert_to_string(value):
-    return str(value)
-
-
-def convert_to_int(value):
-    return int(value)
\ No newline at end of file