<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def warsaw_to_warsawmass(C, parameters=None, sectors=None):
 """Translate from the Warsaw basis to the 'Warsaw mass' basis. Parameters used: - `Vus`, `Vub`, `Vcb`, `gamma`: elements of the unitary CKM matrix (defined as the mismatch between left-handed quark mass matrix diagonalization matrices). """

    p = default_parameters.copy()
    if parameters is not None:
        # if parameters are passed in, overwrite the default values
        p.update(parameters)
    # start out with a 1:1 copy
    C_out = C.copy()
    # rotate left-handed up-type quark fields in uL-uR operator WCs
    C_rotate_u = ['uphi', 'uG', 'uW', 'uB']
    for name in C_rotate_u:
        _array = smeft_toarray(name, C)
        V = ckmutil.ckm.ckm_tree(p["Vus"], p["Vub"], p["Vcb"], p["delta"])
        UuL = V.conj().T
        _array = UuL.conj().T @ _array
        _dict = smeft_fromarray(name, _array)
        C_out.update(_dict)
    # diagonalize dimension-5 Weinberg operator
    _array = smeft_toarray('llphiphi', C)
    _array = np.diag(ckmutil.diag.msvd(_array)[1])
    _dict = smeft_fromarray('llphiphi', _array)
    C_out.update(_dict)
    return C_out