def node_branch(self, al_keys, al_values):
if len(al_keys) != len(al_values):<EOL><INDENT>self.error_exit("<STR_LIT>", "<STR_LIT>", <NUM_LIT:1>)<EOL><DEDENT>ldict = dict(zip(al_keys, al_values))<EOL>self.node_dictBranch(ldict)<EOL>
For each node in <al_values>, add to internal contents
dictionary using key from <al_keys>.