Chapter 7. Classes - Lesson 9. Custom Containers

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If you’ve understood/resolved the issue, could you please so kind helping me out):

Making Custom Containers

Could anyone help me with this code: class TagCloud: def __init__(self): self.tags = {} def add(self, tag): self.tags[tag.lower()] = self.tags.get(tag.lower(), 0) + 1 What is really confusing is tag as in these: def add(self, tag): I still have blurry understanding here self.tags[tag]: what does tag in [] mean? I mean could anyone explain that in simple language WITH EXAMPLES. I remember we had this earlier as well, but could not get it. Why do we have to put it int…