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...
Thereadline()method reads a single line from a file object and returns it as a string, including any trailing newline character. Generally, we use thewhileloop to iterate over the file content. The loop continues as long aslineis not an empty string (indicating the end of the file). Inte...
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. Line 2: This is line 2. Line 3: This is...
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
The open function is used to open files in Python. open(file, mode='r', buffering=-1, encoding=None, errors=None, newline=None) The file is the name of the file to be opened. The mode indicates how the file is going to be opened: for reading, writing, or appending. The ...
Steps for Reading a File in Python Example: Read a Text File Reading a File Using the with Statement File Read Methods readline(): Read a File Line by Line Reading First N lines From a File Using readline() Reading Entire File Using readline() ...
Python Exercises, Practice and Solution: Write a Python program to read a file line by line store it into an array.
line = file_object1.readline() if line: print "line=",line else: break finally: 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。 """ file_object2 = open("test.py",'r') ...
Example: Reading file line by line 1 2 3 4 5 6 7 8 9 10 11 12 13 14 >>> >>> f = open("poem.txt", "r") >>> >>> while True: ... line = f.readline() ... if not line: ... break ... print(line) ... The caged bird sings with a fearful trill of things ...