python

dict_data = {
    'key1': 0,
    'key2': 1,
}

template

{{ dict_data.key1 }}

custom_filter

@register.filter
def get_value(value, key):
    if (key in value.keys()):
        return value[key]
    else:
        return None

template

{% load custom_filter %}

{{ dict_data|get_value:dict_key }}