stdio.py 文件源码

def writef(fmt, *args):
    """
    Write each element of args to standard output.  Use the format
    specified by string fmt.
    """
    x = fmt % args
    if sys.hexversion < 0x03000000:
        x = unicode(x)
        x = x.encode('utf-8')
    sys.stdout.write(x)
    sys.stdout.flush()

#=======================================================================
# Reading functions
#=======================================================================