def set_line_value(self, context_type, value):
if context_type.upper() == "<STR_LIT>":<EOL><INDENT>self.line_envs = value<EOL>self.envs.update(value)<EOL><DEDENT>elif context_type.upper() == "<STR_LIT>":<EOL><INDENT>self.line_labels = value<EOL>self.labels.update(value)<EOL><DEDENT>
Set value defined on this line ('line_envs'/'line_labels')
and update 'envs'/'labels'.

:param context_type: "ENV" or "LABEL"
:param value: new value for this line