import locale
print(locale.getencoding())


# with open("in.txt") as file:
#     # i = 0
#     # for line in file:
#     #     print(line.strip())
#     #     i += 1
#     for i, line in enumerate(file):
#         print(f"{i}: {line.strip()}")

with open("in1.txt", encoding="utf-8") as file:
    for i, line in enumerate(file):
        print(f"{i}: {line.strip()}")

with open("in1.txt", "a", encoding="utf-8") as file:
    file.write("Tohle zapis")
    
# with open("in2.txt") as file:
#     for i, line in enumerate(file):
#         print(f"{i}: {line.strip()}")