Counter class example

counter_class.py

class Counter:
    count = 0          # class attribute count
    def increment():   # define method to increment count
        count += 1
        
Counter.count          # count is 0
Counter.increment()    # call the method increment()
Counter.count          # count is 1
counter = Counter()    # create instance of Counter
counter.count          # class attribute... count is still 1