[Python-Dev] Use for enumerate() (original) (raw)

Greg Ball gball@cfa.harvard.edu
Fri, 26 Apr 2002 23:13:41 -0400 (EDT)

On Fri, 26 Apr 2002, Guido van Rossum wrote:

def getline(filename, lineno): if lineno < 1: return '' lineno -= 1 f = open(filename) for i, line in enumerate(f): if i == lineno: break else: line = '' f.close() return line

Challenge 2: do it with less code.

 def getline(filename, lineno):
 if lineno < 1:
     return ''
 f = open(filename)
 for line in f:
     lineno -= 1
     if not lineno:
     break
 else:
     line = ''
 f.close()
 return line

-- Greg Ball