This prints the text from 1% to 100%, all on the same line since it uses stdout.write rather than print. However, before printing each percentage it first prints \u001b[1000D, which means "move cursor left by 1000 characters). This should move it all the way to the left of the screen, thus letting the new percentage that gets printed over-write the old one. Hence we see the loading percentage seamlessly changing from 1% to 100% before the function returns:
Жители Санкт-Петербурга устроили «крысогон»17:52
Владислав Уткин。关于这个话题，WPS官方版本下载提供了深入分析
В России изменились программы в автошколах22:30，更多细节参见体育直播
git clone https://github.com/deevus/pixels.git
增值税法第二十二条第三项所称非正常损失项目，包括：，这一点在下载安装 谷歌浏览器 开启极速安全的 上网之旅。中也有详细论述