Hello every: http://jinja.pocoo.org/docs/2.9/templates/#variables In Django template language: if {{ var }} doesn't exist,it will print nothing,the jinja2's document said it will print noting default,however it print "{{ var }}"?how to change it to noting whithout chang tags "{{ var }}". ps : {{ var|default("") }} will print nothing,but it is too long . Thank you!
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