摘要：
>>>squared = [x**2 for x in range(4)]>>>for i in squared:... print i0149>>>sqdEvens=[x**2 for x in range(8) if not x%2]try:filename=raw_input('Enter file name:')fobj=open(filename,'r')for eachLine in fobj:print eachLine,fobj.close()except IOError, e:print & 阅读全文
