Python Practice › File Handling Programs › Program 3

Append to a file

EasyFile Handling Programs · 3 of 38

Write a Python program to append data to an existing file.

Output

line 1
line 2
line 3

Approach

Mode “a” writes at the end and keeps the existing content.

Solution

Python

with open("log.txt", "w") as f:    f.write("line 1\n") with open("log.txt", "a") as f:    f.write("line 2\n")    f.write("line 3\n") print(open("log.txt").read())

Output

line 1
line 2
line 3

Learn the concept

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File Handling lesson → Read/Write JSON lesson → Read/Write CSV lesson →

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