5.6 del Statement

Deleting the Element at a Specific List Index

In [1]:
numbers = list(range(0, 10))
In [2]:
numbers
Out[2]:
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
In [3]:
del numbers[-1]
In [4]:
numbers
Out[4]:
[0, 1, 2, 3, 4, 5, 6, 7, 8]

Deleting a Slice from a List

In [5]:
del numbers[0:2]
In [6]:
numbers
Out[6]:
[2, 3, 4, 5, 6, 7, 8]
In [7]:
del numbers[::2]
In [8]:
numbers
Out[8]:
[3, 5, 7]

Deleting a Slice Representing the Entire List

In [9]:
del numbers[:]
In [10]:
numbers
Out[10]:
[]

Deleting a Variable from the Current Session

In [11]:
del numbers
In [12]:
numbers

------------------------------------------------------------------------
NameError                              Traceback (most recent call last)
<ipython-input-12-6a54518a0c2c> in <module>
----> 1 numbers

NameError: name 'numbers' is not defined

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