What is the usage of enumerate() function in Python?
Python | enumerate() Function The enumerate() function is used to iterate through the sequence and retrieve the index position and its corresponding value at the same time. lst = ["A","B","C"] print (list(enumerate(lst))) #[(0, 'A'), (1, 'B'), …
Write a code to add the values of same keys in two different dictionaries and return a new dictionary.
We can use the Counter method from the collections module from collections import Counter dict1 = {'a': 5, 'b': 3, 'c': 2} dict2 = {'a': 2, 'b': 4, 'c': 3} new_dict = Counter(dict1) + Counter(dict2) …
What is PEP 8?
PEP stands for Python Enhancement Proposal. A PEP is an official design document that describes new features proposed for Python and documents aspects of Python, like design and style, for the community. PEP 8 exists to …
Is Django better than Flask?
Django is a framework that allows you to build large projects. On the other hand, Flask is used to build smaller websites but flask is much easier to learn and use compared to Django. Django is …
What is the MRO in Python?
MRO stands for Method Resolution Order. Talking of multiple inheritances, whenever we search for an attribute in a class, Python first searches in the current class. If found, its search is satiated. If not, it …
Python Built-in Exceptions: Full Guide with Examples
Python has a rich set of built-in exceptions designed to handle various types of runtime errors. These exceptions help you detect and respond to unexpected events during program execution. In this guide, you'll learn: What …
What is a cookie in Django?
Django | Cookie A cookie is a small piece of information that is stored in the client's browser. It is used to store a user’s data in a file permanently (or for a specified time). Cookie …
How can you generate random numbers?
Python | Generate random numbers Python provides a module called random using which we can generate random numbers. e.g: print(random.random()) We have to import a random module and call the random() method as shown …
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 …
How will you check if a class is a child of another class?
Python | issubclass() This is done by using a method called issubclass() provided by python. The method tells us if any class is a child of another class by returning true or false accordingly. …
What is a generator in Python?
Python | Generator Functions that return an iterable set of items are called generators. It is a normal function except that it yields expression in the function. It does not implements __itr__ and next() method and …
How is memory managed in Python?
Python | Memory manage Python has a private heap space to hold all objects and data structures. Being programmers, we cannot access it; it is the interpreter that manages it. But with the core API, …
Difference between new_style and old_style class?
Python | new_style and old_style Old-style: With old-style classes, class and type are not quite the same things. If obj is an instance of an old-style class, obj __class__ designates the class, but the type(obj) is always …
What is yield in Python?
yield is a keyword beares the ability to turn any function into a generator. Much like the standard return keyword, but returns a generator object. It is also true that one function may observe multiple …
What is __init__ in python?
Python | __init__ constructor method __init__ is a constructor method in Python and is automatically called to allocate memory when a new object/instance is created. All classes have a __init__ method associated with them. class Student: …