parameters: (self, n)
return_statement: return s
docstring: :type n: int
          :rtype: str
docstring_summary: :type n: int
          :rtype: str
docstring_tokens: : type n : int : rtype : str
function: def countAndSay(self, n):
          """
          :type n: int
          :rtype: str
          """
          s = '1'
          for _ in range(n-1):
              s = re.sub(r'(.)\1*', lambda a: str(len(a.group(0))) + a.group(1), s)
          return s
function_tokens: def countAndSay ( self , n ) : s = '1' for _ in range ( n - 1 ) : s = re . sub ( r'(.)\1*' , lambda a : str ( len ( a . group ( 0 ) ) ) + a . group ( 1 ) , s ) return s