簡單進度條

import time
scale=10
print("-------執行開始--------")
for i in range(scale+1):
a='**'i b='..'(scale-i)
c=(i/scale)*100
print("{:^3.0f}%[{}->{}]".format(c,a,b))

time.sleep(0.1)
print("-------執行結束--------")