新!Python 炫酷进度条项目。支持 Python2.7-3.8 示例代码:
```python
# 安装:pip install alive-progress
from alive_progress import alive_bar
with alive_bar(total) as bar: # declare your expected total
for item in items: # iterate as usual over your items
... # process each item
bar() # call after consuming one item
```