<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def _bin_op(name, doc="binary operator"):
 """ Create a method for given binary operator """

    def _(self, other):
        jc = other._jc if isinstance(other, Column) else other
        njc = getattr(self._jc, name)(jc)
        return Column(njc)
    _.__doc__ = doc
    return _