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x
 
#TextProBarV3.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 
    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, '_')) 
 
cmd显示不出来啊
这样能打开python吗,不行的话,需要设置环境的 
 
- C:\Users\win10>python
 
 - Python 3.9.4 (tags/v3.9.4:1f2e308, Apr  4 2021, 13:27:16) [MSC v.1928 64 bit (AMD64)] on win32
 
 - Type "help", "copyright", "credits" or "license" for more information.
 
 - >>>
 
 
  复制代码 
 
 
 
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