Reading and Writing Files

# write (creates or overwrites)
with open("notes.txt", "w", encoding="utf-8") as f:
    f.write("Line one\n")
    f.write("Line two\n")

# append
with open("notes.txt", "a", encoding="utf-8") as f:
    f.write("Line three\n")

# read line by line
with open("notes.txt", encoding="utf-8") as f:
    for line in f:
        print(line.strip())