第五周作业

P124
3.19
import time
current_time = time.strftime("%Y-%m-%d", time.localtime())
print(current_time)

3.20
import time
date1 = time.strftime("%Y-%m-%d", time.localtime())
print("格式1 (YYYY-MM-DD):", date1)
date2 = time.strftime("%Y年%m月%d日", time.localtime())
print("格式2 (YYYY年MM月DD日):", date2)
date3 = time.strftime("%Y%m%d", time.localtime())
print("格式3 (YYYYMMDD):", date3)
date4 = time.strftime("%m/%d/%Y", time.localtime())
print("格式4 (MM/DD/YYYY):", date4)
date5 = time.strftime("%d-%b-%y", time.localtime())
print("格式5 (DD-Mon-YY):", date5)

3.21
from tqdm import tqdm
import time

def hybrid_progress_bar():
start_time = time.time()
scale = 10
print("------执行开始------")
for i in tqdm(range(scale + 1), desc="处理中"):
a, b = '**' * i, '..' * (scale - i)
elapsed_time = time.time() - start_time
print("\r当前状态: [{}->{}] 耗时: {:.2f}s".format(a, b, elapsed_time), end='')
time.sleep(0.1)
print("\n------执行结束------")

hybrid_progress_bar()

P125
3.6

TextProgressBarl.py

import time
scale = 10
print("Starting")
for i in range(scale+1):
a, b = '**' * i, '..' * (scale - i)
c = (i/scale)*100
print("%{:>3.0f}[{}->{}]" .format (c, a, b))
time.sleep(0.1)
print("Done!")

3.7
while True:
for i in ["/", "-", "|", "\", "|"]:
print("%s\r" % i )

3.8
import time
date_str = time.strftime("%Y年%m月%d日",time.localtime())
print("当前日期：",date_str)