

def _contains(self, other):
    if (other.is_integer and other.is_nonnegative):
        return S.true
    elif ((other.is_integer is False) or (self.is_nonnegative is False)):
        return S.false

dataset/ETHPy150Open sympy/sympy/sympy/sets/fancysets.py Naturals0._contains/VarMisuse@42/49 `other`->`self`