Input and Output Utilities

Python provides the open() built-in function for reading from and writing to files. The with statement ensures that files are properly closed after use.

Writing Files

with open("data.txt","w") as f:
    f.write("Hello")

Reading Files

with open("data.txt") as f:
    text = f.read()

File Modes

Mode	Meaning
r	read
w	write
a	append