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Learn Data Build Tools ( DBT )

Iterations

Learn how to create loops in Jinja.

We'll cover the following...

The for loops

A for loop is a control structure that allows us to iterate over a collection (such as a list, a dictionary, or even a string). The for loops are especially useful when we want to apply the same type of logic to a subset of fields.

Iterating through a list

Jinja allows us to iterate using a for statement.

Python
{% for name in ["Pablo", "Alvaro", "Laura"] %}
    {{ name }}
{% endfor %}

The syntax is as follows:

  • In the opening tag, we name the loop variable (which will store the value of each iteration) and specify which object we want to iterate in.

  • In the body of the loop (after the opening tag and before the closing tag), we can use our loop variable.

  • We end the loop with a closing tag. ...

Iterating through a dictionary