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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def JMS_to_array(C, sectors=None):
 """For a dictionary with JMS Wilson coefficients, return a dictionary of arrays."""

    if sectors is None:
        wc_keys = wcxf.Basis['WET', 'JMS'].all_wcs
    else:
        try:
            wc_keys = [k for s in sectors for k in wcxf.Basis['WET', 'JMS'].sectors[s]]
        except KeyError:
            print(sectors)
    # fill in zeros for missing coefficients
    C_complete = {k: C.get(k, 0) for k in wc_keys}
    Ca = _scalar2array(C_complete)
    for k in Ca:
        if k in C_symm_keys[5]:
            Ca[k] = _symm_herm(Ca[k])
        if k in C_symm_keys[41]:
            Ca[k] = _symm_current(Ca[k])
        if k in C_symm_keys[4]:
            Ca[k] = _symm_herm(_symm_current(Ca[k]))
        if k in C_symm_keys[9]:
            Ca[k] = _antisymm_12(Ca[k])
    return Ca