Q2131. How do you take input in Python?
For taking input from the user, we have the function input(). In Python 2, we had another function raw_input(). The input() function takes, as an argument, the text to be...
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Q2132. How do you get property descriptors of an object?
You can use the `Object.getOwnPropertyDescriptors()` method which returns all own property descriptors of a given object. The example usage of this method is below, ```ja...
Q2133. What's a common pitfall when using useContext with objects?
A **common pitfall** when using `useContext` with objects is **triggering unnecessary re-renders** across all consuming components — even when only part of the context va...
Q2134. What is a function?
When we want to execute a sequence of statements, we can give it a name. Let's def ine a function to take two numbers and return the greater number. ```python >>> def gre...
Q2135. What are the attributes provided by a property descriptor?
A property descriptor is a record which has the following attributes 1. `value`: The value associated with the property 2. `writable`: Determines whether the value associ...
Q2136. What would the context value be for no matching provider?
When a component calls `useContext(SomeContext)` but **no matching** `` **is present higher up in the component tree**, the **default value** passed to `React.createConte...
Q2137. What is recursion?
When a function makes a call to itself, it is termed recursion. But then, in order for it to avoid forming an infinite loop, we must have a base condition. Let's take an ...
Q2138. How do you extend classes?
The `extends` keyword is used in class declarations/expressions to create a class which is a child of another class. It can be used to subclass custom classes as well as ...
Q2139. How do reactive dependencies in the useEffect dependency array affect its execution behavior?
The `useEffect` hook accepts an optional dependencies argument that accepts an array of reactive values. The **dependency array** determines **when** the effect runs. i.e...
Q2140. What do you know about relational operators in Python?
Top python interview questions with answers Relational operators compare values. Less than (>> 'hi') If the value on the left is greater, it return s True. ```python >>> ...