tigerlib的博客In [1]: a = [x for x in range(1,21)] In [2]: a Out[2]: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20...In [3]: b = [a[x:x+3] for x in range(0,len(a),3)] In [4]: b Out[4]: [[...
zamoner的博客for…in #遍历字典 输出的是键值 dict = {'日本':'东京','英国':'伦敦','法国':'巴黎'} for i in dict: print(i) >>>日本 英国 法国 range(a,b)函数,取头不取尾 for i in range(11): print('...