Q1. What are closures and how do capture lists work?
A closure is a self-contained block of functionality that can be passed around and captures values from its surrounding context. Functions are a special case of closures....
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Q2. How does IAM role assumption work?
A role is an identity with permission policies but no permanent credentials. A trusted principal calls AWS STS AssumeRole and receives temporary credentials. Flow: 1. The...
Q3. What are flaky tests and how do you fix them?
A flaky test passes and fails on the same code. Flakiness is corrosive because teams start ignoring failures, which hides real regressions. Common causes: - Timing and as...
Q4. What is the difference between list and tuple?
Both lists and tuples are ordered sequence collections in Python, but they differ fundamentally in mutability, memory allocation, and intended design use: | Feature | `li...
Q5. What is Dict and List comprehensions are?
**List and Dictionary comprehensions** provide a concise, declarative syntax to construct new lists and dictionaries from existing iterables: ### 1. List Comprehension: S...
Q6. What is the purpose of v-for directive?
The built-in v-for directive allows us to loop through items in an array or object. You can iterate on each element in the array or object. 1. **Array usage:** ```javascr...
Q7. How do you use v-for directive with a range?
You can also use integer type(say 'n') for `v-for` directive which repeats the element many times. ```javascript {{ n }} ``` It displays the number 1 to 20. ****
Q8. How do you use v-for directive on template?
Just similar to v-if directive on template, you can also use a `` tag with v-for directive to render a block of multiple elements. Let's take a todo example, ```javascrip...
Q9. What is the output of indexing a list out of range in Python?
### Code Snippet: ```python items = ['a', 'b', 'c', 'd', 'e'] print(items[10]) ``` ### Output: Python raises an **`IndexError`**: ``` IndexError: list index out of range ...
Q10. What is the output of slicing a list beyond its length in Python?
list=['a','b','c','d','e'] printlist[10:] Ans​. Output: [] Theabovecodewilloutput[],andwillnotresultinanIndexError. As one would expect, attempting to access a member of ...