@@ -0,0 +1,206 @@
+import re%0A%0Adef braces_status(string):%0A    s = ''.join(x for x in string if x in '%7B%7D%5B%5D()')%0A    for i in range(len(string)//2):%0A        s = re.sub('%5C%7B%5C%7D%7C%5C%5B%5C%5D%7C%5C(%5C)', '', s)%0A    return True if not s else False%0A

Create beta_braces_status.py