Concatenating two values of different dictionaries and deleting the latter in Python

Concatenating two values of different dictionaries and deleting the latter
in Python

References

Reference NO 1

http://stackoverflow.com/questions/15195510/concatenating-two-values-of-different-dictionaries-and-deleting-the-latter-in-py

Reference NO 2

http://stackoverflow.com/questions/16359955/concatenating-dictionaries-of-numpy-arrays-of-different-lengths-avoiding-manual

Reference NO 3

http://docs.python.org/library/stdtypes.html

Reference NO 4

http://www.pythonforbeginners.com/strings/

Reference NO 5

http://www.openbookproject.net/thinkcs/python/english2e/ch12.html

Reference NO 6

http://www.sthurlow.com/python/lesson06/

Reference NO 7

http://www.jython.org/jythonbook/en/1.0/DataTypes.html

Reference NO 8

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