MMaverickinjyanshu.hashnode.dev·Jun 22 · 10 min readVisitor PatternThe Visitor Pattern is a behavioral design pattern that lets you add new operations to existing class hierarchies without modifying them. Instead of putting the new behavior inside the classes, you mo00
SMSomenath Mukhopadhyayinsom-itsolutions.hashnode.dev·Aug 19, 2025 · 3 min readVisitor Pattern in Python...Visitor design pattern allows the addition of completely different functionalities to an existing class without much alteration in the original class. Let me explain it with an example. Suppose there are two items a shop sells - Book and Medicine Now...00