from time import sleep
from tqdm import tqdm
for i in tqdm(range(1000)):
sleep(0.02)
import time
scale =50print("执行开始,祈祷不报错".center(scale //2,"-"))
start = time.perf_counter()for i inrange(scale +1):
a ="*"* i
b ="."*(scale - i)
c =(i / scale)*100
dur = time.perf_counter()- start
print("\r{:^3.0f}%[{}->{}]{:.2f}s".format(c,a,b,dur),end ="")
time.sleep(0.1)print("\n"+"执行结束,万幸".center(scale //2,"-"))
import sys
import time
defprogress_bar():for i inrange(1,101):print("\r", end="")print("Download progress: {}%: ".format(i),"▋"*(i //2), end="")
sys.stdout.flush()
time.sleep(0.05)
progress_bar()