32. What are loops in Python? How do you write a nested for-loop program? The loop is a sequence of instructions that gets executed repeatedly until and unless an exit condition is reached. There are two types of loops in Python: For Loop: This Loop iterates over a sequence like lists...
To split a DataFrame according to a Boolean criterion in Pandas, you use conditional filtering to create two separate DataFrames based on the criterion. Here’s a step-by-step example: Step 1: Create a DataFrame: import pandas as pd data = {'Name': ['Alice', 'Bob', 'Charlie', 'Da...
A directed acyclic graph (DAG) in Spark is a key concept because it represents the Spark logical execution model. It’s directed because each node represents a transformation executed in a specific order at the edges. It is acyclic because there are no loops or cycles in the execution plan....
The code module provides facilities to implement read-eval-print loops in Python. Two classes and convenience functions are included which can be used to build applications which provide an interactive interpreter prompt.The codeop module provides utilities upon which the Python read-eval-print loop ...
However, compiled languages, such as C and C++, tend to be more difficult to understand and work in than interpreted languages like Python. 4. What are conditionals and loops? Conditional statements, commonly known as if-else statements, are used to run certain blocks of code based on ...
Q. Is it important to use indentation in Python? Indentation is required in Python. It designates a code block. An indented block contains all of the code for loops, classes, functions, and so on. The most common method is to use four space characters. If your code is not indented prop...
The if statement is the most fundamental decision-making statement, and it determines whether or not the code should be executed based on whether or not the condition is met. If the condition in the if statement is met, a code body is executed, and the code body is not otherwise executed...
This is a variable specifically for running Python on the Windows operating system. It tells the Python interpreter to use case-insensitive match when trying to find imported libraries. 10.What is the purpose of the PYTHONHOME variable?
Loops and Recursion Write a loop, then transform it into a recursive function, using only immutable structures (i.e. avoid using variables). Discuss. Functions as First-Class Citizens What does it mean when a language treats functions as first-class citizens? Why is it important that in a ...
A Namespace is a naming system used to ensure the names are unique for each and every object (might be a variable or a method) in Python to avoid naming conflicts. Based on the namespace, Python interpreter understands what exact method or variable one is trying to point to in the code...