count_dict = {}

def read_file():
    with open("./pythoWord.txt", "r", encoding="UTF-8") as fin:
        for line in fin:
            line = line.strip()
            words = line.split()
            for word in words:
                if word not in count_dict:
                    count_dict[word] = 0
                count_dict[word] += 1

        st = sorted(count_dict.items(),
                    key=lambda x: x[1],
                    reverse=True)[:5]
        return st


def writr_file(data):
    with open("./outPythoWord.txt", "w", encoding="UTF-8") as fout:
        for line in data:
            fout.write("".join(line[0]) + "\n")

data = read_file()
print(data)

writr_file(data)