from urllib import urlretrieve
def firstNonBlank(lines):
for eachLine in lines:
if not eachLine.strip():
continue
else:
return eachLine
def firstLast(webpage):
f=open(webpage)
lines=f.readlines()
f.close
print firstNonBlank(lines),
lines.reverse()
print firstNonBlank(lines),
def download(url= '',process=firstLast):
try:
retval = urlretrieve(url) [0]
except IOError:
retval = None
if retval:
process(retval)
if __name__ == '__main__':
download()
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