fixed typo

    return roots_dict, func_name 

if __name__ =='__main__':

    print("Give initial values for lattice constants in Angstom (e.g. 1.9) \n")

    print("Give initial values for lattice constants in Angstrom (e.g. 1.9) \n")

    L_init_values["sc"] = float(input("Simple Cubic: "))

    L_init_values["fcc"] = float(input("Face Centered Cubic: "))

    L_init_values["bcc"] = float(input("Body Centered Cubic: "))