python read all lines of file into string code example

Example 1: python read file to variable

with open('data.txt', 'r') as file:
    data = file.read().replace('\n', '')

Example 2: 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]