list_1 = ["Hello", "world", "it is me.", 2048]
print(f"list_1: {list_1}")

try:
    filename = 'output_1_out.txt'
    with open(filename, 'w') as f:
        print(f"list_1: {list_1}", file=f)
        #   Note that the int 2048 is converted to '2048' by print()
        print("Hello", "world", "it is me.", 2048, file=f)
        print("Hello", "world", "it is me.", 2048, sep=" :-) ", file=f)
        print("Hello", "world", "it is me.", 2048, sep=" :-) ", end='\nbye bye\n', file=f)
except FileExistsError:
    print(f"The file {filename} already exists.")
except Exception as e:
    print(f"An error occurred: {e}")

#   Append.
try:
    with open(filename, 'a') as f:
        f.write("\n\nThe following is written by write().")
        f.write("No newline symbol automatically added by write().\n")
        f.write(f"list_1: {list_1}")
# no FileExistsError for append mode.
except Exception as e:
    print(f"An error occurred: {e}")