5 Essential Tuple Unpacking Techniques

 

1. Basic Tuple Unpacking

person = ("John", 28, "Engineer")

name, age, profession = person

print(f"Name: {name}")

print(f"Age: {age}")

print(f"Profession: {profession}")

Name: John

Age: 28

Profession: Engineer

Explanation: This program unpacks a tuple containing personal details into individual variables.

2. Swapping Variables Using Tuple Unpacking

a = 5

b = 10

a, b = b, a

print(f"a: {a}")

print(f"b: {b}")

a: 10

b: 5

Explanation: This program swaps the values of two variables using tuple unpacking in a single line.

3. Unpacking Elements from a List of Tuples

students = [("Alice", 85), ("Bob", 90), ("Charlie", 88)]

for name, score in students:

    print(f"Student: {name}, Score: {score}")

Student: Alice, Score: 85

Student: Bob, Score: 90

Student: Charlie, Score: 88

Explanation: This program iterates over a list of tuples and unpacks each tuple into individual variables within a loop.

4. Unpacking with * (Star Operator)

numbers = (1, 2, 3, 4, 5, 6)

first, second, *rest = numbers

print(f"First: {first}")

print(f"Second: {second}")

print(f"Rest: {rest}")

First: 1

Second: 2

Rest: [3, 4, 5, 6]

Explanation: This program uses the * (star) operator to unpack the first two elements of a tuple and collect the rest into a list.

5. Returning Multiple Values from a Function Using Tuple Unpacking

def get_student_info():

    name = "Eve"

    age = 22

    major = "Computer Science"

    return name, age, major

student_name, student_age, student_major = get_student_info()

print(f"Name: {student_name}")

print(f"Age: {student_age}")

print(f"Major: {student_major}")

Name: Eve

Age: 22

Major: Computer Science

Explanation: This program demonstrates how a function can return multiple values as a tuple, which can then be unpacked into individual variables when called.