Talk is cheap, show me the code.—— Linus Torvalds目录控制流用来控制程序的处理流程，即当程序满足或不满足某一条件时，让程序去做哪些事情。控制流语句使得我们可以处理丰富的代码逻辑。基本的控制流语句有三种，分别是：if 条件语句for 循环语句while 循环语句1，if 条件语句if 语句用于判断一个条件，当条件为True 时，执行
1、打印到控制台import logging
def log_test():
logging.debug('This is debug message')
logging.warning('This is warning message')
logging.info('This is info message')
logging.error('This is e
from time import sleep
from PyQt5 import QtCore, QtGui, QtWidgets
import sys
import qtawesome
from PyQt5.QtCore import QObject, pyqtSignal, QEventLoop, QTimer, QThread, QTime
from PyQt5.QtGui im
