Accessing dict elements with leading underscores in Django Templates

The docs mention that you can't have a variable start with an underscore:

Variable names must consist of any letter (A-Z), any digit (0-9), an underscore (but they must not start with an underscore) or a dot.

but you can easily write a custom template filter to mimic the dictionary's get method:

@register.filter(name='get')
def get(d, k):
    return d.get(k, None)

and

{{ my_dict|get:"_my_key" }}

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