(f, *gens, **args)
return F.LC(order=opt.order)
Return the leading coefficient of ``f``.

    Examples
    ========

    >>> from sympy import LC
    >>> from sympy.abc import x, y

    >>> LC(4*x**2 + 2*x*y**2 + x*y + 3*y)
    4
Return the leading coefficient of ``f``.
Return the leading coefficient of f .
def LC(f, *gens, **args):
    """
    Return the leading coefficient of ``f``.

    Examples
    ========

    >>> from sympy import LC
    >>> from sympy.abc import x, y

    >>> LC(4*x**2 + 2*x*y**2 + x*y + 3*y)
    4

    """
    options.allowed_flags(args, ['polys'])

    try:
        F, opt = poly_from_expr(f, *gens, **args)
    except PolificationFailed as exc:
        raise ComputationFailed('LC', 1, exc)

    return F.LC(order=opt.order)
def LC ( f , * gens , * * args ) : options . allowed_flags ( args , [ 'polys' ] ) try : F , opt = poly_from_expr ( f , * gens , * * args ) except PolificationFailed as exc : raise ComputationFailed ( 'LC' , 1 , exc ) return F . LC ( order = opt . order )