Python 调用输入时出错（“输入句子：”）

我在句子=输入句子时出错：

此错误是由使用Python2执行Python3代码引起的

如果您想使用Python3 当使用Python 3执行时，您的程序对我来说运行良好。只需使用python3命令即可运行它：

Traceback (most recent call last):
  File "Lab3.py", line 3, in <module>
    sentence = input("Enter the sentence: ")
  File "<string>", line 1
    have a nice day
         ^
SyntaxError: invalid syntax

如果您想使用Python2 删除print的括号：如果句子==祝您愉快： 用原始输入替换输入：句子=原始输入输入输入句子： 这为Python 2程序提供了：

python3 you_code.py

---

您遇到了什么错误？请编辑问题的完整错误回溯。您使用的是Python 2还是Python 3？如果您使用的是Python 2，那么应该使用raw_input@Barmar：考虑到结尾的打印有括号，我猜它应该是Python 3。但不能确定。请尝试使用python3运行代码。

python3 you_code.py

import random

sentence = raw_input("Enter the sentence: ")
sentence=sentence.lower()
languages=[['hello','goodbye','thank you',"you\'re welcome",'have','a','nice','day','how','are','you'],
               ['ola','Tehau','obrigado','seja bem-vindo','ter','uma','bom','dia','como','esta','voce'],
               ['hello','faida','Asante','karibu','kuwa na','a','nzuri','siku','vipi','ni','wewe'],
               ['hallo','Vaarwel','dank je','graag gedaan','habben','een','leuk','dag','hoe','ziin','u'],
               ['hola','adios','gracias','De nada','tener','un','bonito','dia','como','son','tu']]
t=''

if sentence == "have a nice day":
    words=sentence.split()
    for word in words:
        i=languages[0].index(word)
        r=random.randint(1,4)
        t+=languages[r][i]+' '
elif sentence == "goodbye":
    i=languages[0].index(sentence)  
    r=random.randint(1,4)   
    t+=languages[r][i]
elif sentence == "hello":
    i=languages[0].index(sentence)
    r=random.randint(1,4)  
    t+=languages[r][i]
elif sentence == "you're welcome":
    i=languages[0].index(sentence) 
    r=random.randint(1,4)
    t+=languages[r][i]
elif sentence== "thank you":
    i=languages[0].index(sentence)
    r=random.randint(1,4)
    t+=languages[r][i]
elif sentence== "how are you":
    words=sentence.split()
    for word in words:
        i=languages[0].index(word)
        r=random.randint(1,4)
        t+=languages[r][i]+' '

print "The translated sentence is", t