计算程序运行时间
# The start time
start = time.clock()
# 程序代码
# The End time
end = time.clock()
print 'used_time: ', (end - start)
计算程序运行时间
# The start time
start = time.clock()
# 程序代码
# The End time
end = time.clock()
print 'used_time: ', (end - start)