withopen('example.txt','r')asfile:line_number=1line=file.readline()whileline:print(f"Line{line_number}:{line}")line_number+=1line=file.readline() 1. 2. 3. 4. 5. 6. 7. 运行上述代码后,我们将得到以下输出: Line 1: This is line 1
在Python中,逐行读取文件是一个常见的操作。 你可以使用内置的open函数结合for循环来实现这一点。以下是一个简单的示例代码: python # 打开文件 with open('example.txt', 'r', encoding='utf-8') as file: # 逐行读取文件内容 for line in file: # 打印每一行 print(line.strip()) 在这个示例中: op...
In the following example, theread_lines()function is a generator function that reads the file line by line using aforloop and yields each line. defread_lines(file_path):withopen(file_path,'r')asfile:forlineinfile:yieldline.strip()try:forlineinread_lines('data.txt'):print(line)exceptFi...
Python逐行读取文件内容thefile= open("foo.txt") line = thefile.readline() while line: print line, line = thefile.readline() thefile.close()Windows下文件
Python逐行读取文件内容(Python read file line by line),Python逐行读取文件内容thefile=open("foo.txt")line=thefile.readline()whileline:printline,line=thefile.readline()thefile.close()Windows下文件路径的写法:E:/c
>>> a =file.readline() >>>a'吴迪 177 70 13888888\n' 回到顶部 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。 file = open('兼职模特联系方式.txt','r')try: text_lines =file.readlines()print(type(text_lines), text_lines)for lineintext_lines:print(type(li...
Python read text with for loopSince the file object returned from the open function is a iterable, we can pass it directly to the for loop. main.py #!/usr/bin/python with open('works.txt', 'r') as f: for line in f: print(line.rstrip()) The program iterates over the file ...
This article has explained how to read a pandas DataFrame in a CSV file line by line in the Python programming language. In case you have additional questions and/or comments, let me know in the comments section.Subscribe to the Statistics Globe Newsletter Get regular updates on the latest ...
However, it’s not suitable to read a large text file because the whole file content will be loaded into the memory. Reading Large Text Files in Python We can use the file object as an iterator. The iterator will return each line one by one, which can be processed. This will not ...
Add final line Feb 23, 2024 codecov.yml Update CI Apr 6, 2023 cran-comments.md Update comments, NEWS, version for v0.91 Feb 23, 2024 readtext: Import and handling for plain and formatted text files An R package for reading text files in all their various formats, by Ken Benoit, Adam...