code: def Pnprime(x):
      
      Pnprime = {}
      Pnprime['0'] = 0
      Pnprime['1'] = P1prime(x)
      Pnprime['2'] = P2prime(x)
      Pnprime['3'] = P3prime(x)
      Pnprime['4'] = P4prime(x)
      Pnprime['6'] = P6prime(x)
      Pnprime['8'] = P8prime(x)
      Pnprime['10'] = P10prime(x)
      Pnprime['12'] = P12prime(x)
      Pnprime['14'] = P14prime(x)
      return Pnprime
docs: Calculates first derivatives of Legendre polynomials and returns them
      in a dictionary ``Pnprime``.
  
      :param float x:     argument to calculate first derivate of Legendre polynomials
      :return Pn:         dictionary which contains order of Legendre polynomials
                          (from 0 to 4 and even numbers until 14) as keys and
                          the corresponding evaluation of first derivative of
                          Legendre polynomials as values.
      :rtype:             dict