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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def replacement_fields_from_context(context):
 """Convert context replacement fields Example: BE_KEY=value -> {"key": "value} Arguments: context (dict):
 The current context """


    return dict((k[3:].lower(), context[k])
                for k in context if k.startswith("BE_"))