6.5 The del statement


del_stmt  ::=  "del" target_list
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Deletion is recursively defined very similar to the way assignment is defined. Rather that spelling it out in full details, here are some hints.  

Deletion of a target list recursively deletes each target, from left to right.

Deletion of a name removes the binding of that name (which must exist) from the local or global namespace, depending on whether the name occurs in a global statement in the same code block.  

Deletion of attribute references, subscriptions and slicings is passed to the primary object involved; deletion of a slicing is in general equivalent to assignment of an empty slice of the right type (but even this is determined by the sliced object).  

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