Python write to file with open

Use open() statements in a single with with file mode w to write to file with open in Python. The w flag means “open for writing and truncate the file.

with open('filenameWithPath', 'fileMode') as the_file:
    the_file.write("Sample text")

Summarize the I/O behaviors:

Python writes to files with open example

Simple example code.

with open('somefile.txt', 'w') as the_file:
    the_file.write("durin's day\n")

Output:

How to open a file for both reading and writing?

Answer: Here’s how you read a file, and then write to it (overwriting any existing data), without closing and reopening:

with open(filename, "r+") as f:
    data = f.read()
    f.seek(0)
    f.write(output)
    f.truncate()

Do comment if you have any doubts or suggestions on this Python file-handling topic.

Note: IDE: PyCharm 2021.3.3 (Community Edition)

Windows 10

Python 3.10.1

All Python Examples are in Python 3, so Maybe its different from python 2 or upgraded versions.