Python Guide for Beginners — Free Visual Python Tutorial

New to Python? Follow these free visual lessons in order. Each one animates the code so you see what Python is doing, not just what it prints.

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Try each one yourself first, then open it in the Visualizer to watch every line run.

Exercise 1

Ask nothing, just print a welcome message and the result of a calculation.

print("Welcome to Python!")
# print 12 times 4

Hint

* means multiply.

Show solution and explanation

print("Welcome to Python!")
print(12 * 4)  # 48

Python runs top to bottom, one line at a time. Watch the output panel fill in line by line.

Exercise 2

Use input() to read two numbers and print their sum. Add 5 and 7 in the Visualizer's input box, one per line.

a = int(input("First number: "))
b = int(input("Second number: "))
# print the sum

Hint

input() gives text; int() turns it into a number.

Show solution and explanation

a = int(input("First number: "))
b = int(input("Second number: "))
print("Sum:", a + b)

Without int(), "5" + "7" would join the text into "57" instead of adding.

Exercise 3

Use a loop, a condition and a list: print only the names that are longer than 3 letters.

names = ["Ali", "Fatima", "Zed", "Hamza"]
# loop + if + len()

Hint

len(name) gives the number of letters.

Show solution and explanation

names = ["Ali", "Fatima", "Zed", "Hamza"]
for name in names:
    if len(name) > 3:
        print(name)

This mixes three building blocks from the lessons above. The flow chart shows the TRUE and FALSE branches inside the loop.