


1. while loop
Python's while
loop can print a progress bar, which can be implemented using the tqdm
library. tqdm
is a library for adding progress bars in Python, which can be easily integrated into while
loops.
Here is a simple example that uses a while
loop and the tqdm
library to print a progress bar from 1 to 100:
from tqdm import tqdm i = 0 pbar = tqdm(total=100) while i < 100: i += 1 pbar.update(1) pbar.set_description("Processing %d" % i) # 执行循环体内的代码 pbar.close()
In the above code, the tqdm
library is first imported. Then, use a variable i
to count the number of loop iterations. Also creates a tqdm
object and sets its total
parameter to 100 so it knows the total number of iterations it needs to do.
In each loop iteration, increase the value of i
by 1 and then increase it by calling the update()
method of the tqdm
object The value of the progress bar. We also set the description of the progress bar by calling the set_description()
method of the tqdm
object so that it displays the currently processed number.
Finally, at the end of the loop, the tqdm
object is closed to ensure that the progress bar is displayed correctly.
It should be noted that in order to use the tqdm
library, you need to install it via pip
first. You can install tqdm
in the terminal using the following command:
pip install tqdm
2. for loop
It is relatively simple to implement
for i in tqdm(range(10)):# 显示进度条
The above is the detailed content of How to use tqdm library in python to realize circular printing progress bar. For more information, please follow other related articles on the PHP Chinese website!

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