# 2021.11.18
# 文本进度条
import time
def wait():
time.sleep(0.5)
return
scale = 10
print('执行开始:')
for i in range(scale):
a = '*' * i
b = '.' * (scale - i)
c = (i/scale) * 100
print('%.2f %% [%s -> %s]' % (c, a, b))\
time.sleep(1)
pass
print('执行结束')
最终问题是倒数第四行后面多了一个\。。。