Python Programming - Reading and Writing Files - Discussion

with open("data.txt", "r") as file:
    lines = file.readlines()
    for line in lines:
        if len(line) > 20:
            print(line)

print_long_lines("data.txt", 20)

with open("data.txt", "r") as file:
    print(file.read(20))

lines = open("data.txt").readlines()
for line in lines:
    if line.length() > 20:
        print(line)