https://practice.geeksforgeeks.org/problems/reverse-words-in-a-given-string
def main():
    tests_count = int(input())
    tests = [input() for _ in range(tests_count)]
    for test in tests:
        print(reverse_words_position(test))

def reverse_words_position(string):
    reversed_words = []
    if string == "":
        return string
    start_pos = 0
    end_pos = len(string)
    in_word = False
    for index, i in enumerate(string):
        if not in_word and i != ".":
            start_pos = index
            in_word = True
        elif i == ".":
            reversed_words.insert(0, string[start_pos:index])
            in_word = False
        elif index == len(string) - 1:
            reversed_words.insert(0, string[start_pos:index+1])
            in_word = False

    return ".".join(reversed_words)

main()