Learn Python by Seeing It Work

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Python code

1x = 10
2 
3if x > 5:
4    print("Greater")
5else:
6    print("Smaller")

Variables / Memory

Memory is empty.

Execution

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63 lessons ready

019 ready

Python Fundamentals

🔒 Variables 🔒 Data types 🔒 print()🔒 input()🔒 Type conversion 🔒 Operators 🔒 Operator precedence 🔒 Calculations with f-strings 🔒 Swapping variables

027 ready

Decision Making

🔒 if / else 🔒 if / elif / else 🔒 if 🔒 Nested if 🔒 AND / OR / NOT 🔒 Even or odd 🔒 Largest of three

038 ready

Loops

🔒 for loop with range()🔒 while loop 🔒 range()🔒 break 🔒 continue 🔒 Nested loops 🔒 Multiplication table 🔒 Sum of digits

045 ready

Strings

🔒 String indexing & slicing 🔒 String methods 🔒 String formatting 🔒 Counting vowels 🔒 Reversing a string

056 ready

Lists

🔒 Lists: add & remove 🔒 List indexing 🔒 List traversal 🔒 List comprehension 🔒 Finding the maximum 🔒 List average

065 ready

Tuples

🔒 Creating tuples 🔒 Unpacking 🔒 Immutability 🔒 Returning a tuple 🔒 Looping over tuples

075 ready

Sets

🔒 Union 🔒 Intersection 🔒 Duplicate removal 🔒 Set membership 🔒 Set difference

085 ready

Dictionaries

🔒 Dictionary basics 🔒 items()🔒 Nested dictionaries 🔒 Counting words 🔒 Updating a dictionary

097 ready

Functions

🔒 Functions & return 🔒 Parameters 🔒 Scope 🔒 Recursion 🔒 Lambda 🔒 Default parameters 🔒 Factorial function

106 ready

Object-Oriented Programming

🔒 Class & object 🔒 self 🔒 Inheritance 🔒 Polymorphism 🔒 Bank account class 🔒 Class attributes