1 step = 1
2 max_steps = len(letter)
3 max_arrow = 60
4
5
6 for str_le in letter:
7
8 #进度条
9 max_steps = len(letter)
10 max_arrow = 60
11 step = 0
12 num_arrow = int(float(step*1.0) * max_arrow / max_steps) # 计算显示多少个'>'
13 num_line = max_arrow - num_arrow # 计算显示多少个'-'
14 percent = step * 100.0 / max_steps # 计算完成进度，格式为xx.xx%
15 process_bar = 'Waiting：[' + '#' * num_arrow + '-' * num_line + ']' + '%.02f' % percent + '%' # 带输出的字符串，'\r'表示不换行回到最左边
16 print('\r' + process_bar,end = '')
17 step = step + 1
