Talking about the __init__ method function in Python class, the constructor function of Python class _python

If there is no __init__ method function in a class, the instance object created by the class name is empty and the tangent is not initialized; If there is this method function, it is usually the first method function of the class, a bit like a constructor in a language such as C + +.

Class Ca:
def __init__ (self, v): # Note Before and after each of the two underscores
self.name = v
def pr (self):
print "A--->", self.name
  ia = Ca ("jeapedu") # essentially calls the __init__ method function
ia.pr ()
CA.PR (IA) 

Output results
a---> jeapedu

A---> jeapedu

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