循环
获取列表中,满足条件的元素组成新的数组,例如:获取列表中id值为1的元素
row = [{id:1}, {id:1}, {id:1}, {id:1}, {id:1}] # 简洁写法 data = [x for x in row if x['id'] == 1] # 常规写法 data = [] for x in row: if x['id'] == 1: data.append(x)
Jupyter Notebook 进度条输出
from tqdm import tqdm for i in tqdm(range(page)): # do some thing
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