def delfpl(jobj, fpl):
    """
        y = {'c': {'b': 200}}
        delfpl(y,['c','b'])
        >>>{'c': {}}
    """
    this = jobj
    for i in range(0, fpl.__len__() - 1):
        key = fpl[i]
        this = this.__getitem__(key)
    this.__delitem__(fpl[-1])
    return jobj
