第5周作业

3.19
import time
t = time.gmtime()
print(time.strftime("%Y-%m-%d",t))
3.20
import time
current_time = time.localtime()
format1 = time.strftime("%Y年%m月%d日",current_time)
print("格式1：",format1)
format2 = time.strftime("%Y-%m-%d",current_time)
print("格式2：",format2)
format3 = time.strftime("%Y/%m/%d %H:%M:%S",current_time)
print("格式1：",format3)
format4 = time.strftime("%b %d, %Y",current_time)
print("格式1：",format4)
format5 = time.strftime("%A,%B %d,%Y",current_time)
print("格式1：",format5)
3.21
import time
def print_progress_bar(scale):
start_time = time.time()
for i in range(scale + 1):
c = (i / scale) * 100
a = "=" * i
b = "-" * (scale - i)
elapsed_time = time.time() - start_time
print("\r{:>3.0f}%[{}->{}] 已用时间: {:.2f}s".format(c, a, b, elapsed_time), end="")
time.sleep(0.1)
total_time = time.time() - start_time
print("\n------执行结束，总耗时: {:.2f}s".format(total_time))
scale = 10
print("------开始执行")
print_progress_bar(scale)
3.6
import time
print("Starting",end='')
a='...'
print("{:^5}".format(a),end='')
print("Done!")

3.7
while True:
for i in ["/", "-", "|", "|", "|"]:
print("%s\r" % i)
3.8
from tqdm import tqdm
from time import sleep
for i in tqdm(range(1,100)):
sleep(0.01)