python 随机抽取列表中的几条
2020-04-15 python 1759
import random with open("./data/400.txt", "r", encoding="utf-8") as f: keywords = f.read().split("\n") def get_keywords(keywords, qu_num): if qu_num is None: qu_num = 10 total = len(keywords) rand_len = total - 1 lst = [] result_keywords = [] index = 0 all_index = 0 while True: key = random.randint(0, rand_len) if key not in lst: index += 1 if index > qu_num: break lst.append(key) # 添加进keywords result_keywords.append(keywords[key]) all_index += 1 if all_index > total: break return result_keywords words = get_keywords(keywords, 3) print(words)
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