Keep values together.
Keep their positions fixed.

Tuples are useful for related values that form one whole, such as coordinates.

01 Learn02 Try03 Predict

01 Learn

A tuple is ordered but its items cannot be replaced.

Tuples are useful for related values that form one whole, such as coordinates.

coordinates = (45.26, 19.83)
latitude, longitude = coordinates
print(latitude)
print(longitude)

Tuple unpacking assigns each tuple value to a separate variable.

Try changing one value, then explain which part of the collection changed and why.

↳

Keep this in mind: Read the collection operation before predicting the result.

Try it

coordinates = (45.26, 19.83)

print(coordinates)
print(coordinates[0])

latitude, longitude = coordinates
print(latitude)
print(longitude)

Run the example, then change one value and observe the result.

02 Try

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03 Predict

What will this program print?

Read each operation before choosing an answer.

colors = ("red", "blue", "green")
colors[1] = "yellow"
print(colors)

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04 Understanding Check

What will this program print, and why? Explain unpacking and why changing x does not change point.

point = (10, 20)
x, y = point

x = 99

print(point)
print(x)