code: def jhk_to_imag(jmag,hmag,kmag):
      '''Converts given J, H, Ks mags to an I magnitude value.
  
      Parameters
      ----------
  
      jmag,hmag,kmag : float
          2MASS J, H, Ks mags of the object.
  
      Returns
      -------
  
      float
          The converted I band magnitude.
  
      '''
  
      return convert_constants(jmag,hmag,kmag,
                               IJHK,
                               IJH, IJK, IHK,
                               IJ, IH, IKf jhk_to_imag(jmag,hmag,kmag):
      '''Converts given J, H, Ks mags to an I magnitude value.
  
      Parameters
      ----------
  
      jmag,hmag,kmag : float
          2MASS J, H, Ks mags of the object.
  
      Returns
      -------
  
      float
          The converted I band magnitude.
  
      '''
  
      return convert_constants(jmag,hmag,kmag,
                               IJHK,
                               IJH, IJK, IHK,
                               IJ, IH, IK)
docs: Converts given J, H, Ks mags to an I magnitude value.
  
      Parameters
      ----------
  
      jmag,hmag,kmag : float
          2MASS J, H, Ks mags of the object.
  
      Returns
      -------
  
      float
          The converted I band magnitude.