Python statements
Table of Contents
Description
A statement in Python is an instruction that the interpreter can execute. Python statements are the building blocks of a Python script.
They can be:
Simple statements: Execute a single action (e.g., assignment, print).
Compound statements: Contain groups of other statements (e.g., if, for, while, def, class) and usually involve indentation.
Python also supports multi-line statements using \ or enclosing them in parentheses, brackets, or braces.
Prerequisites
- Basic Python syntax understanding.
- Familiarity with variables, functions, loops, and conditions.
Examples
Here's a simple program in Python:
# Simple assignment statement
x = 10 # Assigns 10 to variable x
# Simple print statement
print("Hello, Python!") # Outputs a string to the console
# Compound statement (if statement)
if x > 5:
print("x is greater than 5") # Indented block under if
# Multi-line statement using backslash
total = 1 + 2 + 3 + \
4 + 5 # Continues to the next line
# Multi-line statement using parentheses
numbers = (
1,
2,
3,
4
) # Tuple spanning multiple lines
Real-World Examples
Writing control logic (decisions, loops, exceptions).
Structuring programs clearly using compound statements.
Breaking long code lines across multiple lines for readability.
Automating tasks with sequences of instructions.
Where topic Can Be Applied
All Python scripts: Every operation you write is a statement.
Automation scripts: A series of Python statements perform tasks.
Data analysis notebooks: Statements define variables, plots, calculations.
Web development: Python statements handle routing, logic, database queries.
Machine learning workflows: Statements create, train, and evaluate models.
Resources
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Interview Questions
What is a statement in Python?
What is the difference between a simple and compound statement?
How can you write a multi-line statement in Python?
What is the use of indentation in compound statements?
Can you give examples of different types of Python statements?