You can return either of the two elements depending on the problem and sample outputs provided. 28. You have a string, and you want to find the length of the longest substring of that string where no characters repeat. For example, in the string For implementation-based questions like ...
Here's a list of all the questions we will answer in this tutorial:1. When to Use Python Lists and when to Use Tuples, Dictionaries or Sets The introduction seems pretty straightforward when you’re just reading it, but when you’re actually working on a small python script or a whole...
Last update on August 30 2024 12:59:08 (UTC/GMT +8 hours) PCEP Certification Practice Test - Questions, Answers and Explanations Here are 25 questions focusing on the topic of "list comprehensions" within the context of Python lists for the PCEP-30-0x certification exam. The questions includ...
Python Interview Questions for Experienced1. What are Dict and List comprehensions?Python comprehensions, like decorators, are syntactic sugar constructs that help build altered and filtered lists, dictionaries, or sets from a given list, dictionary, or set. Using comprehensions saves a lot of time ...
Check it out in practice: Python >>> from decorators import singleton >>> @singleton ... class TheOne: ... pass ... >>> first_one = TheOne() >>> another_one = TheOne() >>> id(first_one) 140094218762310 >>> id(another_one) 140094218762310 >>> first_one is another_one True...
Practice and Quickly learn Python’s necessary skills by solving simple questions and problems. Topics: Variables, Operators, Loops, String, Numbers, List Python Input and Output Exercise Solve input and output operations in Python. Also, we practice file handling. ...
Python Practice Test have the best python questions to make you understand the topic well and to prepare for Python Interview.
In practice, operators provide a quick shortcut for you to manipulate data, perform mathematical calculations, compare values, run Boolean tests, assign values to variables, and more. In Python, an operator may be a symbol, a combination of symbols, or a keyword, depending on the type of ...
You might be asked questions to test your knowledge of a programming language. On the other side, you can be given a task to solve in order to check how you think. And when you are interviewed for a data scientist position, it's likely you can be asked on the corresponding tools ...
While using Python list comprehensions, we don’t necessarily need a list to create another list. We can use strings as well, and list comprehension will identify it as a string and work on it as a list. In the above example of list comprehension code block, Intellipaat is a string, no...