OodlesTechnologies Python Developer Interview Questions and Answers

A Python program in recursion

• Recursion is a technique where a function calls itself to solve a problem

• The function should have a base case to stop the recursion

• The function should have a recursive case to continue the recursion

• Example: Factorial of a number using recursion

• Example: Fibonacci series using recursion

To import views in Django, you need to create a views.py file and import it in urls.py

• Create a views.py file in your Django app directory

• Define your views in the views.py file

• Import your views in urls.py using the 'from . import views' syntax

• Map your views to URLs in urls.py using the 'path()' function

Models in Django are Python classes that define the structure of the database tables.

• Models are used to create, read, update and delete data from the database.

• They define the fields and their types, relationships between tables, and constraints.

• Models can be created using the Django ORM (Object-Relational Mapping) or by writing SQL.

• Example: class Book(models.Model): title = models.CharField(max_length=100) author = models.ForeignKey(Author, on_delete=models.CASCADE)

• Models are...read more

Program to generate a particular series

• Define the series pattern

• Use loops to generate the series

• Store the series in an array

• Print the array

Function to determine if a number is prime or not.

• Check if the number is less than 2, return False if so

• Iterate from 2 to the square root of the number, checking for divisibility

• If no divisors found, return True (number is prime)

Create a function to find the least repeating consecutive character in a string.

• Iterate through the string and keep track of consecutive characters and their counts

• Find the character with the least count of consecutive repetitions

• Return the character with the least count