Python清空文件并替换内容的实例

def modify_text(): with open('test.txt', "r+") as f:  read_data = f.read()  f.truncate() #清空文件  f.write(read_data.replace('apple', 'android'))

def modify_text(): with open('test.txt', "r+") as f:  read_data = f.read()  f.seek(0)  f.truncate() #清空文件  f.write(read_data.replace('apple', 'android'))