Jerry Hill ha scritto:
On Wed, May 19, 2010 at 4:25 PM, superpollo <ute...@esempio.net> wrote:
Jerry Hill ha scritto:
sumofdigits = sum(int(char) for char in str(testval))
this line gives me this:
TypeError: 'int' object is not callable
is it some new feature in >2.5 ?
No, sum() has been a builtin since Python 2.3. Based on your first
post, you have probably shadowed the builtin "sum" function by
assigning an integer to a variable named "sum".
o my... thanks!
In [266]: del(sum)
In [267]: def prttn2(m, n):
"""How many positive integers less than n have digits that sum up
to m"""
total = 0
for testval in range(n):
sumofdigits = sum(int(char) for char in str(testval))
if sumofdigits == m:
total += 1
return total
.....:
In [275]: def prttn3(m, n):
return sum(1 for x in range(n) if sum(map(int, str(x))) == m)
.....:
In [277]: prttn(25, 10000)
Out[277]: 348
In [278]: prttn2(25, 10000)
Out[278]: 348
In [279]: prttn3(25, 10000)
Out[279]: 348
ok, bye!
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