zip function in Python

In this post, you will learn about the zip function of the Python programming language.

You have definitely used the .zip document extension. Fundamentally, .zip is a holder itself. It holds the genuine document inside. Similarly, Python zip is a holder that holds data inside. Python's zip() function creates an iterator that will aggregate elements from at least two iterables. It returns a zip object, which is an iterator of tuples where the main thing in each passed iterator is matched together, and afterward, the second thing in each passed iterator is combined together, and so on. If, Python zip work gets no iterable components, it returns an empty iterator.

zip(iterator1, iterator2, iterator3, ...)

It accepts iterator objects in parameters (like: list, string, dict) that will be joined together and returns an iterator of tuples based on the iterable objects. If the Python zip function has no iterable components, it returns an empty iterator. If a single iterable is passed, zip() returns an iterator of tuples, with each tuple having just a single element. If multiple iterables are passed, zip() returns an iterator of tuples, with each tuple having elements from all the iterables.

Python zip function example

Here, we have taken an empty zip function.

# No iterables are passed

result = zip()

print(result)

<zip object at 0x0000023E11C36FC8>

<class 'zip'>

In the given example, we have taken two lists of the same length and passed them as arguments to the zip() function.

list1 = ['Biscuit', 'Chocolate', 'Cookies', 'Coffey']
list2 = ['three', 'five', 'two', 'four']

test = zip(list1, list2)  # zip the values

print('\nPrinting the values of zip')
for values in test:
    print(values)  # print each tuples

Printing the values of zip
('Biscuit', 'three')
('Chocolate', 'five')
('Cookies', 'two')
('Coffey', 'four')

Python zip function with arguments of different length

When you're working with the Python zip() function, it's imperative to focus on the length of your iterables. It's possible that the iterables you pass in as parameters aren't all the same length. In these cases, the quantity of elements that zip() returns will be equivalent to the length of the shortest iterable. The remaining elements in any other iterables will be completely ignored by the zip(). The following example demonstrates this.

list1 = ['Biscuit', 'Chocolate', 'Cookies', 'Coffey']
list2 = [10, 33, 29]

test = zip(list1, list2)  # zip the values

print('\nPrinting the values of zip')
for values in test:
    print(values)

Printing the values of zip
('Biscuit', 10)
('Chocolate', 33)
('Cookies', 29)

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