python remove newline when reading in text file code example

Example 1: remove n from string python

a_string = a_string.rstrip("\n")

Example 2: python read and delete line from file

with open("yourfile.txt", "r") as f:
    lines = f.readlines()
with open("yourfile.txt", "w") as f:
    for line in lines:
        if line.strip("\n") != "nickname_to_delete":
            f.write(line)