class_docstr: A class for partitioning a sequence using a map.
code: def joinPartitions(self, listOfPartitions):
      return self.concatenate(listOfPartitions)
  
file_path: ipyparallel/ipyparallel/client/map.py
imports: import sys
  from itertools import chain, islice
label_desc: Use image node_id 2 for calling the Map obj's underlying member method code with example usage: obj.joinPartitions(listOfPartitions) and returns: self