/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 vote205 views1 answer
No default language could be detected for django app
Python Django
1 vote128 views1 answer
Img read
Python
0 vote134 views1 answer
Arrow.get(null)
Python
0 vote141 views1 answer
Python x,y,z is d (20, 30, False)
Python
0 vote123 views1 answer
How to skip the first line of a csv file
Python
1 vote124 views1 answer
How to locate image using pyautogui
Python
2 votes120 views3 answers
WARNING: pip is configured with locations that require TLS/SSL, however the ssl module in Python is not available.
Python
0 vote147 views1 answer
Pyfiglet not coming up cmd
Python
0 vote123 views1 answer
Pd.to_datetime(df 'date' errors='coerce')
Python
0 vote133 views1 answer
Missing number
Python