Pairing List Elements with `zip()` Function in Python

Pairing List Elements with `zip()` Function in Python

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This video covers how to use the `zip()` function in Python to pair elements from separate lists together. `zip()` is a built-in Python function which is widely used in data processing for applying the same operation on multiple lists in parallel. We'll walk through examples, explaining each line of code and exploring different use cases to help deepen your understanding of this essential Python technique.

First, let's define our lists:

```python
list1 = [1, 2, 3]
list2 = ['a', 'b', 'c']
```

Now, we can use the `zip()` function to combine elements from these lists along an axis:

```python
pair = zip(list1, list2)
for i in pair:
print(i) # Output: (1, 'a') (2, 'b') (3, 'c')
```

Typically, a `zip()` object is iterated, and it returns a tuple for each iteration. To convert it into a list of tuples, use the `list()` function:

```python
pairs = list(zip(list1, list2))
# Output: [(1, 'a'), (2, 'b'), (3, 'c')]
```

Study suggestions:
1. Try pairing different sized lists with `zip()`.
2. Create your own example lists and experiment with various `zip()` usage scenarios.
3. Review the Python documentation of the `zip()` function for more information.

Additional Resources:

#STEM #Programming #Python #PairingLists #FunctionalProgramming #DataProcessing

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