Dale Strickland-Clark dale at riverhall.NOTHANKS.co.uk
Mon Oct 22 18:20:23 EDT 2001

• Previous message (by thread): Augmented augmented assignment?
• Next message (by thread): Mixing asyncore with threads
• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

---

Can someone explain this?

It doesn't seem obvious to me but it's quite handy.

I assume it's something to do with the in-place operation of augmented
assignment but I can't seem to reproduce it using normal assignment.


>>> x = 'spam'
>>> y = []
>>> y = y + x
Traceback (most recent call last):
  File "<interactive input>", line 1, in ?
TypeError: can only concatenate list (not "string") to list
>>> y += x
>>> y
['s', 'p', 'a', 'm']
>>> 
--
Dale Strickland-Clark
Riverhall Systems Ltd

---

• Previous message (by thread): Augmented augmented assignment?
• Next message (by thread): Mixing asyncore with threads
• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

---

More information about the Python-list mailing list