Python的错误:" ValueError错误:需要比1值时解压" [英] Python Error: "ValueError: need more than 1 value to unpack"
本文介绍了Python的错误:" ValueError错误:需要比1值时解压"的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
在Python中,当我运行这个code:
In Python, when I run this code:
from sys import argv
script, user_name =argv
prompt = '>'
print "Hi %s, I'm the %s script." % (user_name, script)
我得到这个错误:
I get this error:
Traceback (most recent call last):
script, user_name =argv
ValueError: need more than 1 value to unpack
这是什么错误呢?
What does that error mean?
推荐答案
也许你没有提供的命令行参数。在这种情况下, sys.argv中
只包含一个价值,但它必须有两个以提供对于 USER_NAME $ C值$ C>和
剧本
。
Probably you didn't provide an argument on the command line. In that case, sys.argv
only contains one value, but it would have to have two in order to provide values for both user_name
and script
.
这篇关于Python的错误:" ValueError错误:需要比1值时解压"的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!
查看全文