file_read = open("README") file_write = open("REAMDE[复件]", "w") # 2. 读、写 while True: # 读取一行内容 text = file_read.readline() # 判断是否读取到内容 if not text: break file_write.write(text) # 3. 关闭 file_read.close() file_write.close() 1. 2. 3. 4. 5. 6. ...
readline()读取整行,包括行结束符,并作为字符串返回 >>>file =open('兼职模特联系方式.txt','r')>>>a = file.readline()>>>a'李飞 177 70 13888888\n' 三、readlines方法 特点:一次性读取整个文件;自动将文件内容分析成一个行的列表 ''' 学习中遇到问题没人解答?小编创建了一个Python学习交流群:711312...
/usr/local/bin/python """ readTextFile.py---read and display text file """ # get filename filename = input("please input file name:\n") # open file for reading try: fobj = open(filename,'r') except IOError as e: print("file open error",e) else: # display contents for i ...
# 1. 打开文件 file = open("HELLO", "w", encoding="UTF-8") # 2. 写入 text = file.write("Python自学网") print(text) # 3. 关闭 file.close() 执行结果:打印写入的内容返回的是长度,另外文件内容被替换了 2、a = append,追加 代码: # 1. 打开文件 file = open("HELLO", "a", encodin...
file=open('部门同事联系方式.txt','r')# 创建的这个文件,是一个可迭代对象 try: text=file.read()# 结果为str类型 print(type(text))#打印text的类型 print(text) finally: file.close()#关闭文件file """ <class 'str'> 李飞177 70 13888888 ...
read_file.py #!/usr/bin/python with open('works.txt', 'r') as f: for line in f: print(line.rstrip()) The example iterates over the file object to print the contents of the text file. $ ./read_file.py Lost Illusions Beatrix Honorine The firm of Nucingen Old Goriot Colonel Chab...
我这边运行没问题啊，这是python2的程序，估计你是用python3运行，所以出错了。
In [2]: diary_file.closedOut[2]: True Summary To work with a text file in Python, you canuse the built-inopenfunction, which gives you back a file object. File objects have areadmethod, which will give you backthe entire contents of that file as a string. ...
file_object1=open("test.py",'r')try:whileTrue:line=file_object1.readline()ifline:print("line=",line)else:breakfinally:file_object1.close()"""关于readlines()方法:1、一次性读取整个文件。2、自动将文件内容分析成一个行的列表。"""
Python中的文件读写详解-read、readline、readlines、write、writelines、with as语句详解 打开文件 Python使用open语句打开文件,传入文件的(路径)名称,还有两个重要的参数,一个是文件处理模式(第二个参数),一个是编码方式(encoding=''): file=open("text.txt",'r',encoding='utf-8') ...