I want to change an element in an array during a loop:
lines=open("/etc/fstab","r").readlines() for line in lines: if line.split()=="/": line="# "+line
Now that does not change the contents of the array (commenting out a particular line in the file). I know you can easily make a loop counter, an d add i=i+1, but isn't there a better way?
== Answer== Try using the enumerate builtin.
lines=open("/etc/fstab","r").readlines() for index,line in enumerate(lines): if line.split()=="/": lines[index] ="# "+line
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