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Python Questions Part 02.


What are the tools that help to find bugs or perform static analysis? 
    PyChecker is a static analysis tool that detects the bugs in Python source code and warns about the style and complexity of the bug.
   Pylint is another tool that verifies whether the module meets the coding standard.

What are Python decorators?
    A Python decorator is a specific change that we make in Python syntax to alter functions easily.

What is the difference between list and tuple? 
   The difference between list and tuple is that list is mutable while tuple is not.
Tuple can be hashed for e.g as a key for dictionaries.

How are arguments passed by value or by reference?
    Everything in Python is an object and all variables hold references to the objects.
The references values are according to the functions; as a result you cannot change the value of the references. However, you can change the objects if it is mutable.

What is Dict and List comprehensions are?   
    They are syntax constructions to ease the creation of a Dictionary or List based on existing iterable.

What are the built-in type does python provides?
   There are mutable and Immutable types of Pythons built in types Mutable built-in types List Sets Dictionaries Immutable built-in types
  • Strings
  • Tuples
  • Numbers

Also See Part 01 Click Here 

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