python - How to make a custom Number class convertible to int & float? -


I have applied a number class in Python 3. Why do I need to do this 

  float (min)   
 works correctly? Document from:   
 
 
:  
  object .__complex__ (self ) Object .__Int __ (Self) object.__ long __ (self) object.__ float __ (self) Int (), long (), and float () should return the value of the appropriate type  < / Pre>

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