Call readline() repeatedly and return a list of the lines so read. The optional size argument, if given, is an approximate bound on the total number of bytes in the lines returned. """ return [] def seek(self,
# 写入文件file=open('example.txt','w')file.write('Hello, World!')file.close()# 写入多行lines=['Hello, World!\n','Welcome to Python!\n']file=open('example.txt','w')file.writelines(lines)file.close() image image 1.4 关闭文件 每次操作文件后,都应该调用close()方法...
with open("data.txt","r") as myfile:forlineinmyfile: listOfLines.append(line.strip())print(listOfLines)print("***Read file line by line using with open() and while loop ***")#Open filewith open("data.txt","r") as fileHandler:#Read next lineline =fileHandler.readline()#check...
# 读取csv文件 import csv with open('test.csv','r') as myFile: lines=csv.reader(myFile) for line in lines: print (line) csv模块写入文件: import csv with open('test.csv','w+') as myFile: myWriter=csv.writer(myFile) # writerrow一行一行写入 myWriter.writerow([7,8,9]) myWriter...
$ ./read_lines.py ['Lost Illusions\n', 'Beatrix\n', 'Honorine\n', 'The firm of Nucingen\n', 'Old Goriot\n', 'Colonel Chabert\n', 'Cousin Bette\n', 'Gobseck\n', 'César Birotteau\n', 'The Chouans\n'] Lost Illusions Beatrix Honorine The firm of Nucingen Old Goriot Colonel ...
defread_lines(file_name,lines):withopen(file_name,'r')asf:foriinrange(lines):line=f.readline()ifline:print(line)else:break 1. 2. 3. 4. 5. 6. 7. 8. 使用readline()方法可以按行读取文件的内容。上述代码中,我们定义了一个函数read_lines(file_name, lines),它接受两个参数:文件名和要读取...
def readlines(self, size=None): # real signature unknown; restored from __doc__ 读取所有数据,并根据换行保存值列表 """ readlines([size]) -> list of strings, each a line from the file. Call readline() repeatedly and return a list of the lines so read. The optional size argument, if...
2、代码示例 - read 函数读取文件所有内容 代码示例 : 代码语言:javascript 代码运行次数:0 运行 AI代码解释 """ 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.r...
lines=[`第一行内容。 `,`第二行内容。 `,`第三行内容。 `]withopen(`example.txt`,`w`)asfile:file.writelines(lines) 这样可以方便地将多行内容一次性写入文件中。 文件的搜索和替换 在文件操作中,常常需要搜索某些特定内容,并将其替换。Python 可以很方便地实现这些功能。
content = file.read() line = file.readline() file.close() How to Write to file Thewrite()method is used to write data to a file. It takes a string as an argument and writes it to the file. Alternatively, thewritelines()method allows you to write multiple lines to a file by provi...