I am trying to write simple recursive function to build a list:
def rec(n,alist=[]):
_nl=alist[:]
print n,_nl
if n == 0:
print n,_nl
return _nl
else:
_nl=_nl+[n]
rec(n-1,_nl)
_nl=[]
_nl=rec(4)
print _nl
### shouldn't this work?
_nl=rec(4)
The output
In article [EMAIL PROTECTED],
actuary77 [EMAIL PROTECTED] wrote:
I am trying to write simple recursive function to build a list:
def rec(n,alist=[]):
_nl=alist[:]
print n,_nl
if n == 0:
print n,_nl
return _nl
else:
_nl=_nl+[n]
actuary77 wrote:
I am trying to write simple recursive function to build a list:
def rec(n,alist=[]):
_nl=alist[:]
print n,_nl
if n == 0:
print n,_nl
return _nl
else:
_nl=_nl+[n]
rec(n-1,_nl)
should be
return rec(n-1,_nl)
def
actuary77 wrote:
I am trying to write simple recursive function to build a list:
def rec(n,alist=[]):
_nl=alist[:]
print n,_nl
if n == 0:
print n,_nl
return _nl
else:
_nl=_nl+[n]
rec(n-1,_nl)
_nl=[]
_nl=rec(4)
print _nl
### shouldn't this work?
On Wednesday 02 March 2005 06:03, actuary77 wrote:
It now makes sense if I write it, (simple):
def rec2(n):
if n == 0:
return []
else:
return [n] + rec2(n-1)
Or, if you're not interested in a recursive function to do this job (which
should be way faster...):
