What are Variables?

A variable is like a labeled box that stores a value. You give the box a name, and you can put something inside it.

Creating Variables

Use = to store a value in a variable:

python

name = "Alex"

age = 10

Output

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Types of Values

Strings — text inside quotes:

python

color = "blue"

greeting = 'Hello!'

Output

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Integers — whole numbers:

python

score = 100

lives = 3

Output

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Booleans — True or False:

python

is_happy = True

is_raining = False

Output

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Using Variables

You can use variables in print():

python

name = "Alex"

print(name)

Output

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Output:

Alex

You can print variables with text:

python

name = "Alex"

print("Hello,", name)

Output

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Output:

Hello, Alex

Changing Variables

You can change what's inside a variable:

python

score = 0

print(score)

score = 100

print(score)

Output

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Output:

0
100

The old value is replaced by the new one.