Mott MacDonald Senior Python Developer Interview Questions and Answers

Q1. Basics of Python, Flask, ReactJs, RestApi Development
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Q2. Python - Difference between is and ==
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Q3. React - useEffect vs useState
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Q4. Authentication in RestApi
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Q5. React - Pure Component and Higher order components
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Q1. Pickling and Unpickling
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Q2. Python basics and programs
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Q3. Project and profile related questions
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Q1. OOPS Concepts with example
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OOPS concepts are fundamental principles in object-oriented programming, including inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance: Allows a class to inherit attributes and methods from another class. Example: class Dog inherits from class Animal.

• Encapsulation: Bundling data and methods that operate on the data into a single unit. Example: using private variables in a class.

• Polymorphism: Ability t...read more
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Q2. Multithreading and how to remove deadlock
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Multithreading allows multiple threads to run concurrently. Deadlock can be removed by avoiding circular wait, preempting resources, and using timeouts.
• Avoid circular wait by ensuring threads acquire resources in the same order

• Preempt resources by releasing them if a thread cannot acquire all necessary resources

• Use timeouts to prevent threads from waiting indefinitely for resources
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Python coding exercise for array sorting

Pandas question , python data structures, live coding

Q1. History and circumstances questions
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Q1. Pandas based questions
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Q2. Numpy based questions
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Q1. Django lifecycle Difference between drop and truncate Two question on string implementation Difference between outer join and union
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The basic levels of python and coding

Q1. About python and features? What are Data types? what are Operaters in python? What are the Basics of python?
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Q2. What are the decorators in python? Write a code for the palindrome number? Write a code for the prime number?
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Decorators are functions that modify the behavior of other functions. Palindrome and prime number codes are also commonly asked in Python interviews.
• Decorators are denoted by '@' symbol and placed above the function definition

• They can be used to add functionality to a function without modifying its code

• Examples of decorators include @staticmethod, @classmethod, and @property

• Palindrome number code checks if a number is ...read more
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