所以我正在编写一个代码,用于在字典中搜索用户输入的密钥。为此,我将用户键入所需的键,将该键的定义附加到列表中,然后打印列表。
由于某些奇怪的原因,我的if serachT in dictionary
行被忽略了。程序将跳转到else,完全跳过if。我删除了else以验证if是否有效。关于为什么添加else的任何想法都会忽略if?
import csv
def createDictionary():
dictionary = {}
found = []
searchT = input("What are you seraching for ")
fo = open("textToEnglish2014.csv","r")
reader = csv.reader(fo)
for row in reader:
dictionary[row[0]] = row[1]
if searchT in dictionary:
found.append(dictionary[row[0]])
print(found)
elif searchT not in dictionary:
i = 0
#print("NF")
#exit()
print(found)
return found
createDictionary()
答案 0 :(得分:0)
你应该首先填充你的字典,然后开始查找。幸运的是,在你的情况下,这是微不足道的:
def create_dictionary():
with open("textToEnglish2014.csv", newline="") as fo: # note the newline parameter!
reader = csv.reader(fo)
return dict(reader)
(注意,现在你的函数名称有意义,不像以前)
现在您可以轻松地进行查找:
>>> dictionary = create_dictionary()
>>> searchT = input("What are you searching for? ")
What are you searching for? hello
>>> dictionary.get(searchT) # returns None if searchT is not in dictionary
goodbye