Interview Questions

Review this list of 7 interview questions and answers verified by hiring managers and candidates.

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Asked at Sierra AI • 6 months ago
Debug and extend a Python codebase by adding an async exponential retry mechanism with timeouts and backoff so failures are retried until success.
Product Manager
Coding
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Product Manager
Coding
Asked at Anthropic • 6 months ago
Extract and clean a usable dataset from a provided company demo database using only SQL and Python.
Machine Learning Engineer
Coding
+1 more
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Machine Learning Engineer
Coding
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Asked at Google, OpenAI • 5 months ago
Design a task scheduler in Python.
IDE
Medium
Machine Learning Engineer
Data Structures & Algorithms
+2 more
9 answers
+6
"import time class Task: def init\(self, description, interval=None): self.description = description self.interval = interval self.next_run = time.time() class SimpleTaskScheduler: def init\(self): self.tasks = [] def add_task(self, description, interval=None): self.tasks.append(Task(description, interval)) def run(self, duration=60): end_time = time.time() + duration while time.time() < end_time: curr"
Yash N. - "import time class Task: def init\(self, description, interval=None): self.description = description self.interval = interval self.next_run = time.time() class SimpleTaskScheduler: def init\(self): self.tasks = [] def add_task(self, description, interval=None): self.tasks.append(Task(description, interval)) def run(self, duration=60): end_time = time.time() + duration while time.time() < end_time: curr"See full answer
Machine Learning Engineer
Data Structures & Algorithms
+2 more
Asked at Infosys • 4 years ago
Explain all kinds of OOP concepts in Python.
Data Scientist
Technical
1 answer
"In Python, an "oops" (Object-Oriented Programming) concept refers to a programming paradigm that is based on the idea of objects and classes. OOP allows developers to model real-world concepts and create reusable code blocks through the use of inheritance, polymorphism, and encapsulation. Here are some common OOP concepts in Python: Class: A class is a blueprint for creating objects. It defines the attributes and behaviors that objects of that class will have. Object: An object is an insta"
Anonymous Flamingo - "In Python, an "oops" (Object-Oriented Programming) concept refers to a programming paradigm that is based on the idea of objects and classes. OOP allows developers to model real-world concepts and create reusable code blocks through the use of inheritance, polymorphism, and encapsulation. Here are some common OOP concepts in Python: Class: A class is a blueprint for creating objects. It defines the attributes and behaviors that objects of that class will have. Object: An object is an insta"See full answer
Data Scientist
Technical
Given an unsorted array, find duplicate elements in constant time, without using inbuilt functions of python.
Software Engineer
Data Structures & Algorithms
+1 more
1 answer
"I got it right"
Rudransh V. - "I got it right"See full answer
Software Engineer
Data Structures & Algorithms
+1 more

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Asked at Capital One • 3 years ago
How do you detect balanced parentheses in a string using Python?
Machine Learning Engineer
Technical
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Machine Learning Engineer
Technical
Is it possible for a subclass in Python to inherit from multiple base classes?
Coding
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Coding