Null object: Difference between revisions

Null object (view source)

Revision as of 05:06, 10 November 2011

15 bytes removed , 12 years ago

revert edits by 216.15.26.97. Read the task description. This task is about the concept referred to as null or nil in other languages, which is None in Python. Task title is not descriptive

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208.80.119.67

Revision as of 04:53, 10 November 2011 (view source) 216.15.26.97 (talk) (→‎Added output {{header\|Python}}) ← Older edit		Revision as of 05:06, 10 November 2011 (view source) 208.80.119.67 (talk) (revert edits by 216.15.26.97. Read the task description. This task is about the concept referred to as null or nil in other languages, which is None in Python. Task title is not descriptive) Newer edit →
Line 601: =={{header\|Python}}== <lang python>~~try:~~x = None if x is xNone: print "x is ~~defined~~None" else: ~~except NameError:~~ print "x is ~~undefined~~not None"</lang> Output:<pre>▼ </lang>▼ x is None ▲</~~lang~~pre> ▲Output: ~~<pre>x is undefined</pre>~~ =={{header\|R}}==