不断往下复印的版本号
import time
def bar(scale):
print('===========实行逐渐============')
for i in range(scale 1):
a = '*' * i
b = '.' * (scale - i)
c = (i / scale) * 100
print('\r{:^3.0f}%[{}->{}]'.format(c, a, b), end = '')
time.sleep(0.05)
print('\n===========实行完毕============')
单行更新版本号
import time
def pro_bar(scale):
print('实行逐渐'.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 = '')
time.sleep(0.05)
print('\n' '实行完毕'.center(scale // 2, '='))
pro_bar(50)
