/Python/How to replace first line of a textfile python

How to replace first line of a textfile python

with open("test.txt") as f:
    lines = f.readlines()

lines # ['This is the first line.\n', 'This is the second line.\n']

lines[0] = "This is the line that's replaced.\n"

lines # ["This is the line that's replaced.\n", 'This is the second line.\n']

with open("test.txt", "w") as f:
    f.writelines(lines)

Similar codes

0 vote146 views1 answer
Django table view sort filter
Python Django
0 vote136 views1 answer
How can item in list change in int in python
Python
0 vote133 views2 answers
Access column pandas
Python
0 vote127 views1 answer
How to restore windows security
Python
2 votes136 views1 answer
How to add captcha in django forms
Python
0 vote97 views1 answer
Python 3.9 docker install
Python
-3 votes144 views3 answers
Pandas.duplicated
Python
5 votes126 views4 answers
Get user django
Python
4 votes142 views4 answers
Bar chart in python
Python
0 vote166 views1 answer
Root template
Python