What is zip() function in Python?
Python | zip() Function Python zip() function returns a zip object, which maps a similar index of multiple containers. It takes an iterable, converts it into an iterator, and aggregates the elements based on the iterable passed. …
Explain Django’s Request/Response Cycle.
Django | Request/Response Cycle Whenever a request is received by the Django server. The Request is processed by various middlewares and is passed to the URL Router. Then, the server looks for a matching URL in the urlpatterns …
Explain how to delete a file in Python?
Python | Delete a file Using command os.remove(file_name) Use the os module to delete a file, we need to first import it, and then use the remove() function provided by the module to delete the file. It …
What does an x = y or z assignment do in Python?
If bool(a) returns False, then x is assigned the value of b.
Program to check all numbers are unique in a sequence.
You can do this by converting the list to a set using the set() method and comparing the length of this set with the length of the original list. If found equal, return True else …
What is swapcase() function in the Python?
Python | swapcase() Function It is a string's function that converts all uppercase characters into lowercase and vice versa. It automatically ignores all the non-alphabetic characters. string = "IT IS IN LOWERCASE." print(string.swapcase())
What is pickling and unpickling?
Python | Pickling, and Unpickling The pickle module accepts any Python object and converts it into a string representation and dumps it into a file by using the dump function, this process is called pickling. …
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 are accessors, mutators, and @property?
Python | accessors, mutators, and @property What we call getters and setters in languages like Java, we term accessors and mutators in Python. In Java, if we have a user-defined class with the property ‘x’, we …
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'), …
Explain Django's code reusability.
Compared to other frameworks, Django offers more code reusability. As Django is a combination of apps, copying those apps from one directory to another with some tweaks to the settings.py file won't need much time …
Name some companies that use Django?
Some of the more well-known companies that make use of Django are:’ Instagram Mozilla Firefox Reddit YouTube Disqus Bitbucket Spotify NASA Pinterest Eventbrite, etc.
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 …
What are unit tests in Python?
Python | What are unit tests Unit test is a testing technique to check a single component of code and ensures that it performs as expected. Unit tests are an important part of regression testing to ensure that …
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 …