(expr, **settings)
return s
Returns the expression as a string.

    For large expressions where speed is a concern, use the setting
    order='none'.

    Examples
    ========

    >>> from sympy import symbols, Eq, sstr
    >>> a, b = symbols('a b')
    >>> sstr(Eq(a + b, 0))
    'a + b == 0'
Returns the expression as a string.
Returns the expression as a string .
def sstr(expr, **settings):
    """Returns the expression as a string.

    For large expressions where speed is a concern, use the setting
    order='none'.

    Examples
    ========

    >>> from sympy import symbols, Eq, sstr
    >>> a, b = symbols('a b')
    >>> sstr(Eq(a + b, 0))
    'a + b == 0'
    """

    p = StrPrinter(settings)
    s = p.doprint(expr)

    return s
def sstr ( expr , * * settings ) : p = StrPrinter ( settings ) s = p . doprint ( expr ) return s