when you run progressbar pythe output will look like thisprogress bar simulationby al sweigart [######## / how it works the progress bar relies on certain trick that programs running in terminal windows can perform just as '\nand '\tare escape characters for newline and tab charactersrespectively'\bis an escape character for backspace characters if you "printa backspace characterthe text cursor will move to the left and erase the previously printed character this only works for the current line the text cursor is on if you run the code print('hello\ \ \ \ \bhowdy')python will print the text "hello,move the text cursor back five spacesand then print the text "howdy the "howdytext will overwrite "hello,making it look as though you called "howdy we can use this technique to create an animated progress bar on single line by printing one version of the barmoving the text cursor back to the startthen printing an updated progress bar this effect can generate any text animation without requiring module such as bextthough it will be limited to taking up single line in the terminal window once you've created this programyou can display progress bars in your other python programs by running import progressbar and printing the string returned from progressbar getprogressbar( """progress bar simulationby al sweigart al@inventwithpython com sample progress bar animation that can be used in other programs view this code at tagstinymodule"" import randomtime bar chr( character is '# def main() simulate download print('progress bar simulationby al sweigart' bytesdownloaded downloadsize while bytesdownloaded downloadsize "downloada random amount of "bytes" bytesdownloaded +random randint( get the progress bar string for this amount of progress barstr getprogressbar(bytesdownloadeddownloadsize don' print newline at the endand immediately flush the printed string to the screen print(barstrend=''flush=true project #