吴英强的技术博客

变量和字符串>>> name = 'wuyq'>>> name'wuyq'>>> print(name)wuyq>>> print('name = %s', % name)SyntaxError: invalid syntax>>> print('name = %s' % name)name = wuyq>>> print('name = %s', name)name =

字符串str>>> str1 = 'i love you, wuyq'>>> str1[:5]'i lov'>>> str1'i love you, wuyq'>>> dir(str)['__add__', '__class__', '__contains__', '__delattr__', '__dir__', '__doc__', '__eq__', '__format__'

丰富的else语句要么怎样，要么不怎样（if）干完了能怎样，干不完就别想怎样（for、while循环）def showMaxFactor(num): count = num // 2 while count > 1: print('count = %d' % count) if num % count == 0:

Pickle>>> import pickle>>> my_list = [1, 2, 3, 'haha', ['and', 'or']]>>> pickle_file = open('my_list.pkl', 'wb')>>> pickle.dump(my_list, pickle_file)>>> pickle_file.close()>>> >>> >>> pickle_

在windows中，使用Python进行串口编程需要安装一个Serial模块pyserial：下载地址:https://pypi.python.org/pypi/pyserial下载完成后得到一个pyserial-3.2.1-py2.py3-none-any.whl文件，下面进行安装编程测试程序import serialimport serial.tools.li