title: Find Unit Digit X Raised Power Y 1
signature: function find_unit_digit_x_raised_power_y_1(x, y)
test_code: 
  
  -- SOLUTION CODE
  -- ============================================
  PLACEHOLDER_CODE_BODY
  
  -- TESTING CODE 
  -- ============================================
  function isCorrect(actual, expected)
      if type(expected) ~= type(actual) then
          return false
      end
      
      if type(expected) == 'table' then
          for k,v_expected in pairs(expected) do
              
              if actual[k] == nil then
                  return false
              end
              local v_actual = actual[k]
              if not isCorrect(v_actual, v_expected) then
                  return false
              end
              actual[k]=nil
          end
      
          if next(actual) then 
              return false
          end
          return true
      else
          return actual == expected
      end
  end
  
  function validateSolution(actual, expected)
      return isCorrect(actual,expected)
  end
  
  function driver(x, y, expected)
      local exec_result;
      local status, error_msg = pcall(function () 
          exec_result=PLACEHOLDER_FN_NAME(x, y) 
      end)
      if status then
          if validateSolution(exec_result,expected) then
              return "PASSED"
          end
          return "FAILED"
      else
          return string.format("ERROR=%s",string.gsub(error_msg,".*:[%d]+: ",""))
      end
  end
      
  function main()
      result = driver(37, 17, 7)
      print(string.format("TEST-0...%s",result))
  
      result = driver(70, 52, 0)
      print(string.format("TEST-1...%s",result))
  
      result = driver(26, 23, 6)
      print(string.format("TEST-2...%s",result))
  
      result = driver(9, 96, 1)
      print(string.format("TEST-3...%s",result))
  
      result = driver(82, 71, 8)
      print(string.format("TEST-4...%s",result))
  
      result = driver(95, 36, 5)
      print(string.format("TEST-5...%s",result))
  
      result = driver(43, 40, 1)
      print(string.format("TEST-6...%s",result))
  
      result = driver(7, 27, 3)
      print(string.format("TEST-7...%s",result))
  
      result = driver(19, 56, 1)
      print(string.format("TEST-8...%s",result))
  
      result = driver(49, 28, 1)
      print(string.format("TEST-9...%s",result))
  
  end
  
  main()
source_py: def find_unit_digit_x_raised_power_y_1(x, y):
      x = (x % 10)
      if (y != 0):
          y = ((y % 4) + 4)
      return (int(math.pow(x, y)) % 10)
source_cpp: int find_unit_digit_x_raised_power_y_1(int x, int y) {
    x = x % 10;
    if ( y != 0 ) y = y % 4 + 4;
    return ( ( ( int ) ( pow ( x, y ) ) ) % 10 );
  }