Question

我正在使用python 2编写英语词典。我创建了一个字典。例如，＆＃34; home＆＃34;和＆＃34;马＆＃34;在词典中的关键。如果用户键入＆＃34; ho＆＃34;，＆＃34; home＆＃34;和＆＃34;马＆＃34;将会来。我把这些放在底线。但是当用户选择单词1时，我想调用我首先设置的字典中的键和值。我该怎么办？

myEngDict = {"horse": "The horse (Equus ferus caballus) is one of two extant subspecies of Equus ferus","home": "the place where one lives permanently, especially as a member of a family or household."}

def Words():
    word_List = []
    count = 0
    search_words = raw_input("Please enter a search term: ")
    for i in myEngDict.keys():
        if i.startswith(search_words):
            count+=1
            word_List.append(i)
            print "{}{}{}".format(count,".", i)
        else:
            pass
    choose = input("Which one?")

例如，如果＆＃34; home＆＃34;首先出来，用户选择1：

节目显示：

home: the place where one lives permanently, especially as a member of a family or household.

Answer 1

首先，您应该在最后一行使用raw_input。然后，您需要查找word_List中提供的内容。

while True:
   try:
       choose = int(raw_input("Which one?"))

       # Keep the key as a separate variable for faster reference
       key = word_List[choose - 1]

       # Use labels with the format function. It's easier to read and understand
       print '{label}: {text}'.format(label=key, text=myEngDict[key])

       # Be sure to have a break or return on success.
       return
   except ValueError: 
       # If someone provides 'cat', it will raise an error.
       # Inform the user and go back to the start.
       print 'Please provide an integer'
   except IndexError:
       # The user has provided a value above the length of word_List or 
       # less than one. Again, inform the user and go back to start.
       print 'You must enter a number between 1 and {c}'.format(c=len(word_List))

Answer 2

如果不改变你的代码，你可以在函数中以choose之后的相同标识添加一个print语句：

print ("%s : %s"%(word_List[choose-1], myEngDict[word_List[choose-1]]))

如何在字典菜单中选择单词？

2 个答案: