Which of the Following Statements Is False

Multiple Choice

Which of the following statements is false?

A) The vast majority of object-oriented programming you'll do in Python is object-based programming in which you primarily use objects of new custom classes you create.
B) To take maximum advantage of Python you must familiarize yourself with lots of preexisting classes.
C) Over the years, the Python open-source community has crafted an enormous number of valuable classes and packaged them into class libraries, available on the Internet at sites like xe "GitHub"GitHub, xe "BitBucket"BitBucket, xe "SourceForge"SourceForge and more. This makes it easy for you to reuse existing classes rather than "reinventing the wheel."
D) Widely used open-source library classes are more likely to be thoroughly tested, bug free, performance tuned and portable across a wide range of devices, operating systems and Python versions.