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...
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, offset, whence=None): # real signature unknown; restored from __doc__ ...
'r', encoding="UTF-8") as f: lines = f.readlines()在读取模式下打开名为“filename.txt...
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...
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...
$ ./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 ...
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...
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...
lines = file_to_read.readline()# 整行读取数据ifnotlines:breakitem = [iforiinlines.split()] data0 = json.loads(item[0])#每行第一个值data1 = json.loads(item[1])#每行第二个值list0.append(data0) list1.append(data1)returnlist0,list1 ...