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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 create(self):
 """ Creates this VM and handle linked clones. """

        if not self.linked_clone:
            yield from self._check_duplicate_linked_clone()

        yield from self.manager.check_vmrun_version()
        if self.linked_clone and not os.path.exists(os.path.join(self.working_dir, os.path.basename(self._vmx_path))):
            if self.manager.host_type == "player":
                raise VMwareError("Linked clones are not supported by VMware Player")
            # create the base snapshot for linked clones
            base_snapshot_name = "GNS3 Linked Base for clones"
            vmsd_path = os.path.splitext(self._vmx_path)[0] + ".vmsd"
            if not os.path.exists(vmsd_path):
                raise VMwareError("{} doesn't not exist".format(vmsd_path))
            try:
                vmsd_pairs = self.manager.parse_vmware_file(vmsd_path)
            except OSError as e:
                raise VMwareError('Could not read VMware VMSD file "{}": {}'.format(vmsd_path, e))
            gns3_snapshot_exists = False
            for value in vmsd_pairs.values():
                if value == base_snapshot_name:
                    gns3_snapshot_exists = True
                    break
            if not gns3_snapshot_exists:
                log.info("Creating snapshot '{}'".format(base_snapshot_name))
                yield from self._control_vm("snapshot", base_snapshot_name)

            # create the linked clone based on the base snapshot
            new_vmx_path = os.path.join(self.working_dir, self.name + ".vmx")
            yield from self._control_vm("clone",
                                        new_vmx_path,
                                        "linked",
                                        "-snapshot={}".format(base_snapshot_name),
                                        "-cloneName={}".format(self.name))

            try:
                vmsd_pairs = self.manager.parse_vmware_file(vmsd_path)
            except OSError as e:
                raise VMwareError('Could not read VMware VMSD file "{}": {}'.format(vmsd_path, e))

            snapshot_name = None
            for name, value in vmsd_pairs.items():
                if value == base_snapshot_name:
                    snapshot_name = name.split(".", 1)[0]
                    break

            if snapshot_name is None:
                raise VMwareError("Could not find the linked base snapshot in {}".format(vmsd_path))

            num_clones_entry = "{}.numClones".format(snapshot_name)
            if num_clones_entry in vmsd_pairs:
                try:
                    nb_of_clones = int(vmsd_pairs[num_clones_entry])
                except ValueError:
                    raise VMwareError("Value of {} in {} is not a number".format(num_clones_entry, vmsd_path))
                vmsd_pairs[num_clones_entry] = str(nb_of_clones - 1)

                for clone_nb in range(0, nb_of_clones):
                    clone_entry = "{}.clone{}".format(snapshot_name, clone_nb)
                    if clone_entry in vmsd_pairs:
                        del vmsd_pairs[clone_entry]

                try:
                    self.manager.write_vmware_file(vmsd_path, vmsd_pairs)
                except OSError as e:
                    raise VMwareError('Could not write VMware VMSD file "{}": {}'.format(vmsd_path, e))

            # update the VMX file path
            self._vmx_path = new_vmx_path