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Core Concepts

Variables Numeric expressions Strings Booleans Conditional statements for loops while loops Functions

Data Structures

Lists Tuples Dictionaries Sets List slicing List comprehensions Nested data Sorting collections

Problem Solving

Input validation Exceptions Assertions Decomposition Pure functions Linear search Binary search Recursion

Practical Programs

Reading text files Writing JSON files Command-line arguments Simple class Unit test HTTP request concept Queue with deque CLI todo program

Intro to Programming / Core Concepts

Strings

Learn Strings in Intro to Programming with a focused explanation, a topic-specific example, and a mastery check.

12 min read • Beginner

intro-programming-003.py

python

first='Amina'; last='Khan'
print(f'{first} {last}'.upper())

What to watch

Content source & attribution

Original Syntaxis Content · Original Syntaxis Content

Lesson quizzes

Strings Mastery Check →

Numeric expressions