How to call class methods in python

Call of class method:

Similar to ordinary function call

1. Internal call of class: self.

2. Call outside the class: . (parameter list).

Note: In the above two calling methods, self does not need to be included in the parameter list provided.

Demonstrate a class:

wash.py class Washer: def __init__(self): self.water = 0 self.scour = 0 def add_water(self,water): print('Add water:',water) self.water = water def add_scour(self,scour): self.scour = scour print('Add scour:',self.scour) def start_wash(self): print('Start wash...') if __name__ == '__main__': w = Washer() w.add_water(10) w.add_scour(2) w.start_wash()

Running results:

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