Saturday 2 March 2024

The zip function in Python

 


Example 1: Basic Usage of zip

# Basic usage of zip

names = ["Alice", "Bob", "Charlie"]

ages = [25, 30, 35]

# Combining lists using zip

combined_data = zip(names, ages)

# Displaying the result

for name, age in combined_data:

    print(f"Name: {name}, Age: {age}")

    #clcoding.com

Name: Alice, Age: 25

Name: Bob, Age: 30

Name: Charlie, Age: 35

Example 2: Different Lengths in Input Iterables

# Zip with different lengths in input iterables

names = ["Alice", "Bob", "Charlie"]

ages = [25, 30]

# Using zip with different lengths will stop at the shortest iterable

combined_data = zip(names, ages)

# Displaying the result

for name, age in combined_data:

    print(f"Name: {name}, Age: {age}")

    

#clcoding.com

Name: Alice, Age: 25

Name: Bob, Age: 30

Example 3: Unzipping with zip

# Unzipping with zip

names = ["Alice", "Bob", "Charlie"]

ages = [25, 30, 35]

# Combining lists using zip

combined_data = zip(names, ages)

# Unzipping the result

unzipped_names, unzipped_ages = zip(*combined_data)

# Displaying the unzipped data

print("Unzipped Names:", unzipped_names)

print("Unzipped Ages:", unzipped_ages)

#clcoding.com

Unzipped Names: ('Alice', 'Bob', 'Charlie')

Unzipped Ages: (25, 30, 35)

Example 4: Using zip with Dictionaries

# Using zip with dictionaries

keys = ["name", "age", "city"]

values = ["Alice", 25, "New York"]

# Creating a dictionary using zip

person_dict = dict(zip(keys, values))

# Displaying the dictionary

print(person_dict)

#clcoding.com

{'name': 'Alice', 'age': 25, 'city': 'New York'}

Example 5: Transposing a Matrix with zip

# Transposing a matrix using zip

matrix = [

    [1, 2, 3],

    [4, 5, 6],

    [7, 8, 9]

]

# Using zip to transpose the matrix

transposed_matrix = list(zip(*matrix))

# Displaying the transposed matrix

for row in transposed_matrix:

    print(row)

#clcoding.com

(1, 4, 7)

(2, 5, 8)

(3, 6, 9)

Example 6: Using zip with enumerate

# Using zip with enumerate

names = ["Alice", "Bob", "Charlie"]

# Combining with enumerate to get both index and value

indexed_names = list(zip(range(len(names)), names))

# Displaying the result

for index, name in indexed_names:

    print(f"Index: {index}, Name: {name}")

#clcoding.com

Index: 0, Name: Alice

Index: 1, Name: Bob

Index: 2, Name: Charlie

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