文本进度.py

#v1
"""
#wenben.py
import time
scale = 10
print("------执行开始------")
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("------执行结束------")
"""
#v2
"""
import time
for i in range(101):
     print("\r{:3}%".format(i),end="")
     time.sleep(0.1)
"""
#v3
"""
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,"-"))
"""
#v4
import time
scale = 50
print("执行开始".center(30,"*"))
start = time.perf_counter()
for i in range(scale//2 + 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(0.2)
for o in range(scale//2 + 1):
     d = "■" * (i + o)
     e = "□" * (scale - i - o)
     f = ((i+o)/scale)*100
     dur2 = time.perf_counter() - start
     print("\r{:^3.0f}%[{}{}]{:.2f}s".format(f,d,e,dur2),end="")
     time.sleep(0.1)
     
print("\n"+"执行结束".center(30,"*"))