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代码示例：（标识：python_file_readline_3）
运行代码
python_file_readline_3.py
f = open("demofile.txt", "r") for x in f: print(x)
运行结果：
<!doctype html> <html> <head> <meta charset="utf-8"> <title>Python Result</title> <style> * { margin: 0; padding: 0; } body { background: #000000; color: #ffffff; line-height: 1.5; font-family: consolas,"courier new",monospace; } #python_result { padding: 8px; } </style> </head> <body> <div id="python_result"> C:\Users\My Name>python python_file_readline_3.py<br />Hello! Welcome to demofile.txt<br />This file is for testing purposes.<br />Good Luck!<br /></div> </body> </html>
