How to use the pyranges.tostring2.tostring function in pyranges

def mp(self, n=8, formatting=None):

        print(tostring(self, n=n, merge_position=True, formatting=formatting))

def mpc(self, n=8, formatting=None):

        print(tostring(self, n=n, merge_position=True, formatting=formatting))

        return self

def print(self, n=8, merge_position=False, sort=False, formatting=None, chain=False):

        s = tostring(
            self,
            n=n,
            merge_position=merge_position,
            sort=sort,
            formatting=formatting)

        print(s)

        if chain:
            return self

def pc(self, n=8, formatting=None):

        print(tostring(self, n=n, formatting=formatting))

        return self

def spc(self, n=30, formatting=None):

        print(tostring(self, n=n, sort=True, formatting=formatting))

        return self

def __str__(self):

        return tostring(self)

def sp(self, n=30, formatting=None):

        print(tostring(self, n=n, sort=True, formatting=formatting))

def msp(self, n=30, formatting=None):

        print(
            tostring(
                self,
                n=n,
                merge_position=True,
                sort=True,
                formatting=formatting))

def mspc(self, n=30, formatting=None):

        print(
            tostring(
                self,
                n=n,
                merge_position=True,
                sort=True,
                formatting=formatting))

        return self