class tqdm
时间: 2023-10-12 07:04:40 浏览: 51
`class tqdm` is a Python class that provides a progress bar for iterations in loops. It is part of the `tqdm` library, which stands for "taqaddum" in Arabic, meaning "progress" or "advancement." The `tqdm` library is commonly used to create progress bars in command-line interfaces for tasks that involve iterating over a large number of items.
The `tqdm` class allows you to wrap an iterable object, such as a list or a range, and provides an easy way to visualize the progress of the iteration. It displays a progress bar with information such as the current iteration, the estimated time remaining, and the percentage completed.
Here's an example of how to use the `tqdm` class:
```python
from tqdm import tqdm
# Create an iterable object
my_list = [1, 2, 3, 4, 5]
# Wrap the iterable with tqdm
for item in tqdm(my_list):
# Do some processing
pass
```
In this example, the `tqdm` class wraps the `my_list` iterable, and each iteration will display a progress bar. As the loop progresses, the progress bar will update to show the current iteration's status.
The `tqdm` library also provides additional features, such as setting the progress bar's appearance, customizing the displayed information, and integrating with other libraries and frameworks.
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