Write a python program that prompts the user to choose any five stock exchanges of the world (whose data is available on Google Finance, Yahoo Finance, Quandl, CityFALCON, or another similar source.
For each such market, let the program automatically choose the relevant Market Index (say S&P500 for USA, CNXNIFTY for India, HANGSENG Index for Hong Kong etc)
Download data for the last 10 years for each of the Indices.
Calculate Correlation Coefficients of monthly returns between each pair of indices
Plot the results in a suitable graphical format that represents the trends in the data and their interdependence