open a file in python and read line by line code example

Example 1: python reading lines from a text file

with open(filename) as f:
    content = f.readlines()
# you may also want to remove whitespace characters like `\n` at the end of each line
content = [x.strip() for x in content]

Example 2: python open and reacd file

with open('yourfile.txt','r') as f:
    lines = f.readlines()
    f.close()