文本进度条2
文本进度条2# TextProBarV2.py
import time
scale = 50
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
# 借助\r回到行首位置再次输出，达到刷新效果
print("\r{:^3.0f}%[{}-->{}]{:.2f}s".format(c, a, b, dur), end='')
time.sleep(0.1)
print("\n"+"执行结束".center(scale//2, '-'))
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