def from_camel_case(name):
    new_name = ""
    for i, letter in enumerate(name):
        if i == 0:
            new_name += letter.lower()
        elif letter.lower() != letter:
            new_name += "_"+letter.lower()
        else:
            new_name += letter
    return new_name


if __name__ == '__main__':
    print("Example:")
    print(from_camel_case("Name"))

    # These "asserts" using only for self-checking and not necessary for auto-testing
    assert from_camel_case("MyFunctionName") == "my_function_name"
    assert from_camel_case("IPhone") == "i_phone"
    assert from_camel_case("ThisFunctionIsEmpty") == "this_function_is_empty"
    assert from_camel_case("Name") == "name"
    print("Coding complete? Click 'Check' to earn cool rewards!")