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Suppose we want to print() each item from a list of dog_breeds. We would need to use the following code snippet:

dog_breeds = ['french_bulldog', 'dalmatian', 'shihtzu', 'poodle', 'collie'] print(dog_breeds[0]) print(dog_breeds[1]) print(dog_breeds[2]) print(dog_breeds[3]) print(dog_breeds[4])

This seems inefficient. Luckily, Python (and most other programming languages) gives us an easier way of using, or iterating through, every item in a list. We can use loops! A loop is a way of repeating a set of code many times.

In this lesson, we’ll be learning about:

  • Loops that let us move through each item in a list, called for loops
  • Loops that keep going until we tell them to stop, called while loops
  • Loops that create new lists, called list comprehensions



Paste the following code into

for breed in dog_breeds: print(breed)

This will print each breed in dog_breeds.

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