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: Always avoid using shell=True with untrusted input to prevent shell injection vulnerabilities. 3. Sub-Topics in Data Analysis (NLP)

A subclass is a class that inherits attributes and methods from another class (the parent or superclass). This is the backbone of Object-Oriented Programming (OOP) in Python. Sub Python

: It allows for code reuse and hierarchy. For example, a Car subclass can inherit general properties from a Vehicle parent class while adding its own specific features like number_of_doors . : Always avoid using shell=True with untrusted input

subprocess.Popen : Offers more flexibility for complex interactions with a process while it is still running. Sub Python

: Subclasses can provide a specific implementation of a method that is already provided by its parent class. Best Practices :