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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_stack(self, f, t):
 """Build the stack from frame and traceback"""

        stack = []
        if t and t.tb_frame == f:
            t = t.tb_next
        while f is not None:
            stack.append((f, f.f_lineno))
            f = f.f_back
        stack.reverse()
        i = max(0, len(stack) - 1)
        while t is not None:
            stack.append((t.tb_frame, t.tb_lineno))
            t = t.tb_next
        if f is None:
            i = max(0, len(stack) - 1)
        return stack, i