parameters: (self, nums)
return_statement: return (collections.Counter(list(set(nums)) * 3) - collections.Counter(nums)).keys()[0]
docstring: :type nums: List[int]
          :rtype: int
docstring_summary: :type nums: List[int]
          :rtype: int
docstring_tokens: : type nums : List [ int ] : rtype : int
function: def singleNumber(self, nums):
          """
          :type nums: List[int]
          :rtype: int
          """
          return (collections.Counter(list(set(nums)) * 3) - collections.Counter(nums)).keys()[0]
function_tokens: def singleNumber ( self , nums ) : return ( collections . Counter ( list ( set ( nums ) ) * 3 ) - collections . Counter ( nums ) ) . keys ( ) [ 0 ]