listing10-7.py

《Beginning Python--From Novice to Professional》 的源码

# numberlines.py                        # 1
                                        # 2
import fileinput                        # 3
                                        # 4
for line in fileinput.input(inplace=1): # 5
    line = line.rstrip()                # 6
    num  = fileinput.lineno()           # 7
    print '%-40s # %2i' % (line, num)   # 8