configparser

• import configparser
  config = configparser .ConfigParser ()
  config["DEFULT"] = {"a":"1",
                        "b":"2",
                        "c":"3"}
  config["dsadsad.org"] = {}
  config ["dsadsad.org"]["user"] = "hg"
  
  
  
  
  
  with open("example.ini","w") as f:
      config .write(f)

• config.read("example.ini")
  print(config .sections() )  #块名
  print("dsadsad.org" in config ) #判断块是否在config中
  print(config ["DEFULT"]["A"])  #不区分大小写

• for key in config ["dsadsad.org"]:     #user     default块中会遍历
                                            # a
                                            #b
      print(key)                            #c
  print(config.options("dsadsad.org")

   #遍历后放在列表中

• print(config .items("dsadsad.org") )       #将键和值放在元组
  print(config.get("dsadsad.org","a")  )     #因为会遍历默认块，所以可以找到

• config .add_section("yuan")              #增加块
  config .set("yuan","sdsa","asdsa")    #增加值
  config.remove_section("yuan")            #删除块
  config .remove_option("yuan","sdsa")         #删除值
  config .write(open("i.cfg","w") )