path = "data.txt"file = open(file_path, "r")# 使用readlines()函数读取整个文件内容lines = file.readlines()# 关闭文件file.close()# 打印文件内容for line in lines: print(line)在上述代码中，我们使用open()函数打开文件，并使用readlines()函数读取整个
""" 文件操作 代码示例""" file=open("file.txt","r",encoding="UTF-8")print(type(file))#<class'_io.TextIOWrapper'>print("read 函数读取文件所有内容: ")# 读取文件所有内容 lines=file.readlines()print(lines)forlineinlines:print(line) ...
text_lines = file.readlines()print(type(text_lines), text_lines)forlineintext_lines:print(type(line), line)finally: file.close()""" <class 'list'> ['李飞 177 70 13888888\n', '王超 170 50 13988888\n', '白净 167 48 13324434\n', '黄山 166 46 13828382'] <class 'str'> 李飞 1...
read_lines.py #!/usr/bin/python with open('works.txt', 'r') as f: lines = f.readlines() print(lines) for line in lines: print(line.strip()) In the example, we read the contents of the file with readlines. We print the list of the lines and then loop over the list with a...
for line in lines: print(line.rstrip('\n')) #每行的末尾都有一个看不见的换行符,去掉换行符 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 读取文件时遇到的问题 去除\ufeff 读取文件过程中发现一个问题:已有记事本文件(非空),转码 UTF-8,在开始位置打印结果会出现 \ufeff。
try:withopen('data.txt','r',encoding='utf-8')asfile:lines=file.readlines()forlineinlines:print(line.strip())exceptFileNotFoundError:print("File not found.") 1.3. List Comprehension List comprehension is a concise syntax and technique for creating lists in Python. We can use it to read ...
file=open("./txt","r") lines=file.read() print(lines) file.close() 执行结果: I am chinese I am chinese I am chinese I am chinese Hello world 2、readlines:方法读取整个文件所有行,保存在一个列表(list)变量中,每行作为一个元素,但读取大文件会比较占内存。
python的read、readline、redalines都是读取文件的方法,下面以具体案例讲解它们之间的区别: 首先给出一个要读取的文件: python is very good java is very good c++ is very good 使用read读取文件,会返回整个文件的内容,结果如图所示, f = open("保存字符串.txt","r")#返回一个文件对象 re = f.read() ...
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for line in txt_file: # we can process file line by line here, for simplicity I am taking count of lines count += 1 txt_file.close() print(f'Number of Lines in the file is {count}') print('Peak Memory Usage =', resource.getrusage(resource.RUSAGE_SELF).ru_maxrss) ...