在python中使用字典

时间:2015-04-13 01:36:45

标签: python dictionary

我必须定义一个函数名称Correct(),它有两个参数。要测试拼写错误的单词的字符串列表(此参数将是我的文件),以及我已经创建的字典,称为mydictionary。 该函数应使用字典和check word()函数测试第一个列表中的每个单词。正确应该返回一个单词列表,替换所有拼写错误的单词。 例如,正确(['the','cheif','stopped','the','theif'])应该返回列表['''','chief','stopped','the','贼'] 然后我应该在main()

中测试该函数
import string
# Makes a function to read a file, use empty {} to create an empty dict
# then reads the file by using a for loop
def make_dict():
    file = open ("spellingWords.txt")
    dictionary = {}
    for line in file:
        # Splits the lines in the file as the keys and values, and assigning them as
# misspell and spell
        misspell, spell = string.split(line.strip())
        # Assigns the key to the value
        dictionary[misspell] = spell

    file.close()


    return dictionary

mydictionary = make_dict()



#print mydictionary

# Gets an input from the user
word = raw_input("Enter word")
# Uses the dictionary and the input as the parameters
def check_word(word,mydictionary):
    # Uses an if statement to check to see if the misspelled word is in the
    # dictionary
    if word in mydictionary:
        return mydictionary[word]
    # If it is not in the dictionary then it will return the word
    else:
        return word

# Prints the function
print check_word(word,mydictionary)

def main():
    file2 = open ("paragraph.txt")
    file2.read()
    thelist = string.split(file2)
    print thelist
    def correct(file2,mydictionary):
        return thelist
        paragraph = string.join(thelist)
        print paragraph

main()

除了我的Correct()函数和Main()函数之外,我的所有其他函数都有效。它也给了我错误'文件对象没有属性拆分'。我可以帮助解决我的错误吗?

所以我纠正了它,现在我的主要功能

def main():
    file2 = open ("paragraph.txt")
    lines = file2.read()
    thelist = string.split(lines)
    def correct(file2,mydictionary):
        while thelist in mydictionary:
            return mydictionary[thelist]
    paragraph = string.join(thelist)
    print correct(file2,mydictionary)

但是我现在收到错误'不可用的类型:' list''

1 个答案:

答案 0 :(得分:1)

您不了解读取文件对象的概念。您必须存储方法read()返回的值,以便以后可以使用它。

open只返回一个文件对象,而不是文件的行。要阅读间谍凝灰岩,您可以简单地使用方法来做事。请参阅docs

要阅读文件:

lines = file.read()
# do something with lines - it's a super big string

此外,您不必导入字符串,split()方法已内置字符串。