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Python Reference Manual

Previous: 6.4 The pass statement Up: 6. Simple statements Next: 6.6 The print statement

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6.5 The del statement

del_stmt

::=

"del" target_list

Download entire grammar as text.

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 from the local or global namespace, depending on whether the name occurs in a global statement in the same code block. If the name is unbound, a NameError exception will be raised.  

It is illegal to delete a name from the local namespace if it occurs as a free variable in a nested 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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Python Reference Manual

Previous: 6.4 The pass statement Up: 6. Simple statements Next: 6.6 The print statement

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Release 2.2.3, documentation updated on 30 May 2003.