parameters: (self, arr, queries)
return_statement: return [arr[right] ^ arr[left-1] if left else arr[right] for left, right in queries]
docstring: :type arr: List[int]
          :type queries: List[List[int]]
          :rtype: List[int]
docstring_summary: :type arr: List[int]
          :type queries: List[List[int]]
          :rtype: List[int]
docstring_tokens: : type arr : List [ int ] : type queries : List [ List [ int ]] : rtype : List [ int ]
function: def xorQueries(self, arr, queries):
          """
          :type arr: List[int]
          :type queries: List[List[int]]
          :rtype: List[int]
          """
          for i in xrange(1, len(arr)):
              arr[i] ^= arr[i-1]
          return [arr[right] ^ arr[left-1] if left else arr[right] for left, right in queries]
function_tokens: def xorQueries ( self , arr , queries ) : for i in xrange ( 1 , len ( arr ) ) : arr [ i ] ^= arr [ i - 1 ] return [ arr [ right ] ^ arr [ left - 1 ] if left else arr [ right ] for left , right in queries ]