ValueError:太多值无法解包Aptana Studio 3 [英] ValueError: Too Many Values to Unpack Aptana Studio 3

问题描述

我正在从learningpythonthehardway.org进行练习13.我应该运行以下代码:

I am working on exercise 13 from learnpythonthehardway.org. I should run this code:

from sys import argv
script, first, second, third = argv

print "The script is called:", script
print "Your first variable is:", first
print "Your second variable is:", second
print "Your third variable is:", third

然后在命令行上输入"python ex13.py first 2nd 3rd"，并应输出:

Then enter "python ex13.py first 2nd 3rd" on command line and should output:

The script is called: ex13.py
Your first variable is: first
Your second variable is: 2nd
Your third variable is: 3rd 

但是，我在Vista上使用Aptana Studio 3并获得了 "ValueError:太多值无法解包"错误.

However, I am using Aptana Studio 3 on Vista and I get the "ValueError: too many values to unpack" error.

我是Python和Aptana的新手，所以如何在此处输入单独的参数?

I am new to Python and Aptana so how can I enter the separate arguments here?

推荐答案

这是因为len(argv)可能大于4:

>>> w,x,y,z=[1,2,3,4,5]
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ValueError: too many values to unpack

尝试打印argv来查看argv实际包含的内容.

Try printing argv to see what argv actually contains.

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