Zopper Interview Questions and Answers

A model in Django is a Python class that defines the structure of your database table and its relationships.

• Models are defined as subclasses of django.db.models.Model.

• Each model class corresponds to a single database table.

• Fields in the model class represent columns in the table. Example: 'name = models.CharField(max_length=100)'.

• Models can define relationships using ForeignKey, ManyToManyField, etc.

• Django provide...read more

A router in Django is a component that maps URL patterns to views, facilitating URL routing in web applications.

• Routers are part of Django's URL dispatcher, which directs incoming requests to the appropriate view based on the URL.

• They can be defined using the 'path()' or 're_path()' functions in the 'urls.py' file.

• Example: urlpatterns = [ path('home/', views.home, name='home'), ]

• Django REST Framework provides rout...read more

Python is a high-level, interpreted programming language known for its readability and versatility in various applications.

• Easy to learn: Python's syntax is clear and intuitive, making it accessible for beginners. Example: print('Hello, World!')

• Versatile: Used in web development, data analysis, artificial intelligence, and more. Example: Django for web apps.

• Rich libraries: Python has a vast ecosystem of libraries ...read more

Iterators are objects that allow iteration over a sequence, while generators are functions that can pause and resume execution.

• Iterators are used to iterate over a sequence like lists, tuples, and dictionaries.

• Generators are functions that use the yield keyword to return data one at a time.

• Iterators can be created using iter() function, while generators are created using functions with yield keyword.

• Generators are...read more

Detect cycle in a linked list by using Floyd's Tortoise and Hare algorithm.

• Use two pointers, slow and fast, to traverse the linked list

• If there is a cycle, the two pointers will eventually meet at some point

• Time complexity of this algorithm is O(n)

To sell insurance in the market or develop business, one must focus on building relationships, understanding customer needs, and providing personalized solutions.

• Build strong relationships with potential clients by networking and attending industry events.

• Understand the specific needs and concerns of customers and tailor insurance solutions accordingly.

• Offer personalized advice and recommendations to help customer...read more