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Fundamentals 3 min read

13 Essential Python One‑Liners Every Beginner Should Master

This article presents a concise collection of thirteen practical Python snippets covering basic arithmetic, mathematical functions, random number generation, number classification, prime testing, factorials, multiplication tables, numeral system conversions, greatest common divisor, and calendar creation, each illustrated with example output images.

MaGe Linux Operations
MaGe Linux Operations
MaGe Linux Operations
13 Essential Python One‑Liners Every Beginner Should Master

Python Programming Essentials

1. Sum of numbers in Python

Sum of numbers example
Sum of numbers example

2. Square root (e.g., √16 = 4)

Square root example
Square root example

3. Calculate triangle area using Heron's formula: area = √(s·(s‑a)·(s‑b)·(s‑c)) where s is the semi‑perimeter

Triangle area example
Triangle area example

4. Generate random numbers

Random number example
Random number example

5. Determine odd or even numbers

Odd/even check example
Odd/even check example

6. Determine leap years

Leap year check example
Leap year check example

7. Test whether a number is prime

Prime test example
Prime test example

8. Compute factorials

Factorial example
Factorial example

9. Display the 9×9 multiplication table

Multiplication table example
Multiplication table example

10. Determine whether a value is numeric (requires importing a library)

Numeric check example
Numeric check example

11. Convert decimal numbers to binary (bin), octal (oct), and hexadecimal (hex)

Base conversion example
Base conversion example

12. Compute the greatest common divisor (GCD)

GCD example
GCD example

13. Generate a calendar

Calendar example
Calendar example

This is the complete set of snippets shared by the editor, intended as a quick reference for Python beginners.

Article originally from: Python programmer

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MaGe Linux Operations
Written by

MaGe Linux Operations

Founded in 2009, MaGe Education is a top Chinese high‑end IT training brand. Its graduates earn 12K+ RMB salaries, and the school has trained tens of thousands of students. It offers high‑pay courses in Linux cloud operations, Python full‑stack, automation, data analysis, AI, and Go high‑concurrency architecture. Thanks to quality courses and a solid reputation, it has talent partnerships with numerous internet firms.

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