What is the difference between append() and extend() methods?
Python | append() and extend() Function Both append() and extend() methods are methods used to add elements at the end of a list. append(element): append() method adds the given element at the end of the list. …
What does [::-1] do?
[::-1] is used to inverse the order of a sequence. >>> my_list = [1,2,3,5,6,7,8,9] >>> my_list[::-1] [9, 8, 7, 6, 5, 3, 2, 1]
Difference between module and package?. addon how do you create package in python?
Python | Module and Package Module: The module is a simple Python file that contains collections of functions and global variables and with having a .py extension file. It is an executable file and to organize all …
What are negative indexes and why are they used?
Negative indexes mean that you count from the right instead of the left. So, list[-1] refers to the last element, list[-2] is the second-last, and so on.
What architecture does Django use?
Django follows a Model-View -Template (MVT) architecture which is a variant of the MVC architecture. Model: Logical data structure behind the entire app and signified by a database. A model is used in Django to …
What is the difference between Python array and Python list?
Difference between Python array and Python list Array Lists it is used to store only homogeneous data. The list is used to store heterogeneous data it occupies less amount of memory as the array stores …
How do you check for the version of Django installed on your system?
Django | Check Version To check for the version of Django installed on your system, you can open the command prompt and enter the following command: python -m django –version You can also try to import …
Set path and environment variables in Windows 2000 and Windows XP
Windows | Set path and environment variables in Windows 2000 and Windows XP On the desktop, right-click the Computer icon and select Properties. or Press the and right-click the Computer option in the Start menu, and select Properties. In the System Properties window, click the Advanced tab. In the Advanced tab, click …
Set path and environment variables in Windows Vista and Windows 7
Windows | Set path and environment variables in Windows Vista and Windows 7 On the desktop, right-click the Computer icon and select Properties. or Press the and right-click the Computer option in the Start menu, and select Properties. Click the Advanced System Settings link in the left column. In …
What are decorators?
Python | What are decorators A decorator in Python is a function that modifies the behavior of an existing function or class without any modification to the original source code. A decorator takes another function as its argument and returns yet …
What's the use of a session framework?
Django | Session Framework Using the session framework, you can easily store and retrieve arbitrary data based on the pre-site-visitors. It stores data on the server side and takes care of the process of sending and …
Whenever you exit Python, is all memory de-allocated?
The answer here is no. The modules with circular references to other objects, or to objects referenced from global namespaces, aren’t always freed on exiting Python. Plus, it is impossible to de-allocate portions of memory …
What does *args and **kwargs mean?
Python | *args and **kwargs *args is a special syntax used in the function definition to pass variable-length arguments. e.g: myFun(*argv) def func(*args): for i in args: print(i) func(2,3,4) #Output 2 3 4 **kwargs is …
Mention some disadvantages of Django.
Django | Disadvantages Django has the following disadvantages: Django's modules are bulky. It is completely based on Django ORM. Components are deployed together. We must know the full system to work with it.
Why is finalize used?
Finalize method is used for freeing up the unmanaged resources and cleaning up before the garbage collection method is invoked. This helps in performing memory management tasks.