Diff for "LearnByObservation"

Differences between revisions 1 and 4 (spanning 3 versions)

Note : This is an experimental page, Python can be learned interactively from a prompt, and learning by observations is a good habit, so this page. -- BaijuMuthukadan

(This page is not linked from main pages yet.)

del workings

   1 >>> class C:
   2 ...     def __del__(self):
   3 ...         print "HI"
   4 ... 
   5 >>> c=C()
   6 >>> del(c)
   7 HI
   8 >>> c=C()
   9 >>> c=1
  10 HI
  11 >>> c
  12 1
  13 >>> c=C()
  14 >>> d=c
  15 >>> c=4
  16 >>> d=7
  17 >>> d
  18 HI
  19 7
  20 >>> c=C()
  21 >>> d=c
  22 >>> c=4
  23 >>> d=7
  24 HI

list append and assignment

   1 >>> a=[1,2,3]
   2 >>> print a
   3 [1, 2, 3]
   4 >>> a=a.append(4)
   5 >>> print a
   6 None

-  ⇤ ← Revision 1 as of 2006-02-02 07:08:14 → 
  Size: 521
  Editor: BaijuMuthukadan
  Comment:
+   ← Revision 4 as of 2008-11-15 14:00:32 → ⇥
  Size: 633
  Editor: localhost
  Comment: converted to 1.6 markup
-Deletions are marked like this.
+Additions are marked like this.
 Line 11:
-...  def __del__(self):
...   print "HI"
+...     def __del__(self):
...         print "HI"
 Line 23:
->>> type(c)
<type 'instance'>
>>> c
<__main__.C instance at 0x402328cc>
-Line 33:
+Line 29:
+>>> c=C()
>>> d=c
>>> c=4
>>> d=7
HI
-Line 34:
+Line 35:
+=== list append and assignment ===

{{{
#!python
>>> a=[1,2,3]
>>> print a
[1, 2, 3]
>>> a=a.append(4)
>>> print a
None
}}}

Page

User

del workings

list append and assignment

Page

User

__del__ workings

list append and assignment

del workings