包含并解释您需要的内容。请提供更多说明，如预期的输入/输出。请提供更详细的说明。这个文件包含了什么，并解释了你需要什么。这是一个有效的python代码。它有未定义的变量名，并尝试使用尚未初始化的变量。我已经修复了代码，它应该在Python 3.7+上运行，

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包含并解释您需要的内容。请提供更多说明，如预期的输入/输出。请提供更详细的说明。这个文件包含了什么，并解释了你需要什么。这是一个有效的python代码。它有未定义的变量名，并尝试使用尚未初始化的变量。我已经修复了代码，它应该在Python 3.7+上运行，这是一个有效的Python代码。它有未定义的变量名，并尝试使用尚未初始化的变量+

import random

def randomline(file):
    with open(file) as f:
        lines=f.readlines()
        print(random.choice(lines))

import random 

def randomline(file):
    with open(file) as f:
        lines=f.readlines()
        return random.choice(lines)

isOccuredInLastFourExistence = True
LastFourWords = []

file = "text_file.txt"
for i in range(0,15):
    new_word = randomline(file)
    print(LastFourWords)
    if new_word in LastFourWords:
        print("I have skipped")
        print(new_word)
        continue
    print(new_word)
    LastFourWords.append(new_word)
    if(len(LastFourWords)) > 4:
        LastFourWords.pop(0)

[]
New

['New\n']
Example

['New\n', 'Example\n']
After

['New\n', 'Example\n', 'After\n']
Some

['New\n', 'Example\n', 'After\n', 'Some\n']
I have skipped
Example

['New\n', 'Example\n', 'After\n', 'Some\n']
Please

['Example\n', 'After\n', 'Some\n', 'Please\n']
I have skipped
Please

['Example\n', 'After\n', 'Some\n', 'Please\n']
Only

['After\n', 'Some\n', 'Please\n', 'Only\n']
Word
['Some\n', 'Please\n', 'Only\n', 'Word']
New

# create list with empty elements against which choice is checked
queue = 4*['']

def randomline(file):
    with open(file) as f:
        lines=f.readlines()
        choice = random.choice(lines)
        if not choice in queue:
            print(choice)

            # appendcurrent word to the queue
            queue.append(choice)
            # remove the first element of the list
            queue.pop(0)