Run multiple programs sequentially in one Windows command prompt?

I need to run multiple programs one after the other and they each run in a console window.
I want the console window to be visible, but a new window is created for each program. This is annoying because each window is opened in a new position from where the other is closed and steals focus when working in Eclipse.

Performance with global variables vs local

I am still new to Python, and I have been trying to improve the performance of my Python script, so I tested it with and without global variables. I timed it, and to my surprise, it ran faster with global variables declared rather than passing local vars to functions. What’s going on? I thought execution speed was faster with local variables? (I know globals are not safe, I am still curious.)

Writing to a file in a for loop only writes the last value

text_file = open("new.txt", "r") lines = text_file.readlines() for line in lines: var1, var2 = line.split(","); myfile = open('xyz.txt', 'w') myfile.writelines(var1) myfile.close() text_file.close() I have 10 lines of text in new.txt like Adam:8154, George:5234, and so on. Now I want a text file which contains only the names. xyz.txt must contain Adam, George, and so on. … Read more