On 5/1/2015 1:04 AM, Cecil Westerhof wrote: > By the way: I also see python3.4 and python3.4m. Any idea where the m > stands for? I never heard of that in 18 years of Python, and thought it must be an error, but putting 'python3.4b' into google search return this. https://stackoverflow.com/questions/16675865/difference-between-python3-and-python3m-executibles See first answer. -- Terry Jan Reedy