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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 find_jump_targets(self, debug):
 """ Detect all offsets in a byte code which are jump targets where we might insert a COME_FROM instruction. Return the list of offsets. Return the list of offsets. An instruction can be jumped to in from multiple instructions. """

        code = self.code
        n = len(code)
        self.structs = [{'type':  'root',
                         'start': 0,
                         'end':   n-1}]

        # All loop entry points
        self.loops = []

        # Map fixed jumps to their real destination
        self.fixed_jumps = {}
        self.except_targets = {}
        self.ignore_if = set()
        self.build_statement_indices()
        self.else_start = {}

        # Containers filled by detect_control_flow()
        self.not_continue = set()
        self.return_end_ifs = set()
        self.setup_loop_targets = {}  # target given setup_loop offset
        self.setup_loops = {}  # setup_loop offset given target

        targets = {}
        for i, inst in enumerate(self.insts):
            offset = inst.offset
            op = inst.opcode

            # Determine structures and fix jumps in Python versions
            # since 2.3
            self.detect_control_flow(offset, targets, i)

            if inst.has_arg:
                label = self.fixed_jumps.get(offset)
                oparg = inst.arg
                if (self.version >= 3.6 and
                    self.code[offset] == self.opc.EXTENDED_ARG):
                    j = xdis.next_offset(op, self.opc, offset)
                    next_offset = xdis.next_offset(op, self.opc, j)
                else:
                    next_offset = xdis.next_offset(op, self.opc, offset)

                if label is None:
                    if op in self.opc.hasjrel and op != self.opc.FOR_ITER:
                        label = next_offset + oparg
                    elif op in self.opc.hasjabs:
                        if op in self.jump_if_pop:
                            if oparg > offset:
                                label = oparg

                if label is not None and label != -1:
                    targets[label] = targets.get(label, []) + [offset]
            elif op == self.opc.END_FINALLY and offset in self.fixed_jumps:
                label = self.fixed_jumps[offset]
                targets[label] = targets.get(label, []) + [offset]
                pass

            pass # for loop

        # DEBUG:
        if debug in ('both', 'after'):
            import pprint as pp
            pp.pprint(self.structs)

        return targets