def wulffmaker_gamma(energy):
    """
    Returns the string to be used for the Wulffmaker default gamma values. 
    
    Arguments
    ---------
    energy: iterable
        Any iterable that holds the surface energies
    
    Returns
    -------
    str
        String to be copied to wulffmaker for the surface energies. 
        
    """
    gamma_string = "pickGamma[i_] :=\n"
    gamma_string += "Which[\n"
    
    idx = 1
    for idx,value in enumerate(energy):
        idx += 1
        gamma_string += "i=={},\n".format(idx)
        gamma_string += "{:.4f},\n".format(value)
        
    gamma_string += "True,\n"
    gamma_string += "1]"
        
    return gamma_string