import time
print('...执行开始...')
count = 10
for i in range(count + 1):
a = "#" * i
b = "." * (count-i)
c = i/count * 100
print(f"[{a}->>{b}]{c}%")
time.sleep(0.5)
print("...执行结束...")
或者
import time
scale = 100
print("执行开始".center(scale // 2,"-"))
start = time.perf_counter()
for i in range (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='') # \r表示跟新覆盖前一个个数据,end=""表示不换行,
time.sleep(0.1)
print("\n"+"执行结束".center(scale // 2,'-'))