Q301. How do you get the current working directory using Python?
Working on software with Python, you may need to read and write files from various directories. To find out which directory we're presently working under, we can borrow t...
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Q302. What are the file-related modules we have in Python?
Python provides rich standard library modules for interacting with files, paths, and storage systems: 1. **`pathlib`** (Modern Standard): Object-oriented filesystem paths...
Q303. Explain the uses of the modules sqlite3, ctypes, pickle, traceback, and itertools.
sqlite3- Helps with handling databases of type SQLite ctypes- Lets create and manipulate C data types in Python pickle- Lets put any data structure to external files trac...
Q304. How will you print the contents of a file?
The most robust and pythonic way to read and print file contents is using the **`with` statement** (context manager), which guarantees the file descriptor is safely close...
Q305. What is Virtualenv in Python?
virtualenv is a tool to create isolated Python environments. virtualenv creates a folder which contains all the necessary executables to use the packages that a Python pr...
Q306. What does the Python nonlocal statement do (in Python 3.0 and later)?
In short, it lets you assign values to a variable in an outer (but non-global) scope. The nonlocal statement causes the listed identifiers to refer to previously bound va...
Q307. What are the wheels and eggs? What is the difference?
Wheel and Egg are both packaging formats that aim to support the use case of needing an install artifact that doesn't require building or compilation, which can be costly...
Q308. What is webpack?
Webpack is a build tool that puts all of your assets, including Javascript, images, fonts, and CSS, in a dependency graph. Webpack lets you use require() in your source c...
Q309. Name some benefits of using webpack?
Webpack and static assets in a dependency graph offers many benefits. Here's a few: Dead asset elimination. This is killer, especially for CSS rules. You only build the i...
Q310. Name some plugins you think are very important and helpful?
CommonsChunkPlugin – creates a separate file (known as a chunk), consisting of common modules shared between multiple entry points. DefinePlugin – allows you to create gl...