import configparser

config = configparser.ConfigParser()   #创建配置文件，config = {}相当于一个字典

config["default"] = {'ServerAliveInterval':45,

                     'Compression':'yes',

                     'CompressionLevel':''}

config['bitbucket.org'] = {}

config['bitbucket.org']['User'] = 'zsz'

config['topsecret.server.com'] = {}

topsecret = config['topsecret.server.com']

topsecret['Host Port'] = ''

topsecret['ForwardX11'] = 'no'

with open('example.ini','w') as f:

    config.write(f)

f.close()

#----------------------------------------------增删改查------------------------------------------------------------

#查

config = configparser.ConfigParser()

config.read('example.ini')

print(config.sections())   #得到所有的块
--->['default', 'bitbucket.org', 'topsecret.server.com']

print('bytebong.com' in config)  #判断块中是否有bytebong.com
--->False

print(config['bitbucket.org']['User'])
--->zsz

print(config['default']['compression'])
--->yes

print(config['topsecret.server.com']['forwardx11'])
--->no

for key in config['bitbucket.org']:  #取'bitbucket.org'下所有的键

    print(key)
--->user

print(config.options('default'))  #取键
--->['serveraliveinterval', 'compression', 'compressionlevel']

print(config.items('default'))  #得到块下的键值对  
--->[('serveraliveinterval', '45'), ('compression', 'yes'), ('compressionlevel', '9')]

print(config.get('default','compression')) #得到对应键的值
--->yes

#删，改，查

config.add_section('yuan') #增加块

config.set('yuan','k1','')  #添加键值对

config.remove_section('topsecret.server.com') #删除块

config.remove_option('default','compression') #删除块下的键值对

config.write(open('example.ini','w')) #这么写不用关闭文件