How does Python call the command line progress bar?

This article mainly introduces how to call the command line progress bar in Python. It involves the calling skills of the Python progress bar and has some reference value, for more information about how to call the command line progress bar in Python, see the following example. Share it with you for your reference. The specific analysis is as follows:

The key point is to output the '\ R' character so that the cursor can return to the beginning of a line, and other output content will overwrite the original content.

Import timeimport sysdef progress_test (): bar_length = 20 for percent in xrange (0,100): hashes = '#' * int (percent/100.0 * bar_length) spaces = ''* (bar_length-len (hashes) sys. stdout. write ("\ rPercent: [% s] % d %" % (hashes + spaces, percent) sys. stdout. flush () time. sleep (1) progress_test ()

I hope this article will help you with Python programming.