[Python] get global variable with dashes in jinja2

is there a way to render the variable b-c (456) by changing only template variable in the following code?

import jinja2

environment = jinja2.Environment()

data = {'a':123, 'b-c':456}
template = "hello {{ b-c }}"

result = environment.from_string(template, globals = data).render()

print('result:', result)


the expected result:

hello 456
​

current code throws error:

jinja2.exceptions.UndefinedError: 'b' is undefined
​

i can't change how template variables (data) defined or how template is rendered at the moment. but i can change template.

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