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method:wrong structure

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there are  three  programs,all of them  left  main  structure,
code0 is ok,i don't know why code2 and code3 can't run,how to fix them?
code0
class   webdata(object):
    def  __init__(self,arg):
          
    def  loadequity(self):
            
    def  loadoption(self):
    
    #loadstatus={'equity':self.loadequity(),'option':self,loadoption()}
  
    def  run(self):      
        
if  __name__=="__main__":
     s=webdata('equity').run()
     s.loadequity()   

code1
class   webdata(object):
    def  __init__(self,arg):
          
    def  loadequity(self):
            
    def  loadoption(self):
    
    loadstatus={'equity':self.loadequity(),'option':self,loadoption()}
  
    def  run(self):        
        
  
if  __name__=="__main__":
     s=webdata('equity').run()
     loadstatus['equity']

wrong output is 
name 'self' is not defined


code2
class   webdata(object):
    def  __init__(self,arg):
          
    def  loadequity(self):
            
    def  loadoption(self):
    
    loadstatus={'equity':loadequity(),'option':loadoption()}
  
    def  run(self):      
        
if  __name__=="__main__":
     s=webdata('equity').run()
     s.loadequity() 

wrong output is :
TypeError: loadequity() takes exactly 1 argument (0 given)

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method:wrong  structure "守株待兔" <1248283536@qq.com> - 2011-09-15 16:28 +0800

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