python代碼錯誤？

Question

from sys import argv 

script, first, second, third = argv 

鍵入二號線後，我得到這個錯誤：

Traceback (most recent call last): File "", line 1, in ValueError: need more than 1 value to unpack

Answer 1

sys.argv isthe腳本的命令行參數。您的錯誤表明您嘗試解壓縮的變量數量超過了元組中的條目數量，即1。

您要麼沒有傳遞足夠的參數，要麼您正在運行命令來自口譯員。

Answer 2

from sys import argv 
a, b, c, d = argv 
print "The script is called:", a 
print "Your first variable is:", b 
print "Your second variable is:", c 
print "Your third variable is:", d 

保存此代碼爲：s.py

運行該文件從終端如下：