Introduction to python class methods and object methods

This article is mainly about learning python class methods and object methods with everyone, starting from a simple example. Interested friends can refer to

The examples in this article are for python class methods and objects Method for study and research, the specific content is as follows

class Test_Demo:
  TEST = 'test_value'

  def __init__(self,name,age):
    self.name = name
    self.age = age
  #static method
  @staticmethod
  def test_static():
    return Test_Demo.TEST
  #特性
  @property
  def test_property(self):
    return self.name+':'+str(self.age)
  #类方法
  @classmethod
  def test_class(self):
    return self.TEST

if __name__ == '__main__':
  test_demo = Test_Demo('zj',23)
  #print(test_demo.name)
  print(Test_Demo.test_static())
  print(test_demo.test_property)
  print(test_demo.test_class())

Output results:

Note: The difference from PHP is:

Class methods and static methods can access the static variables of the class (class variables, TEST), but they cannot access instance variables (i.e. name, age)

If accessed An error will be reported:

Is the above the entire content of this article? I hope it will be helpful to everyone's study.

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