python for i in range(2):for i in range(2):print(i,end=' ')i = 0print('hello')为什么输出是0 1 hello 而不是 0101循环

python新手关于编写函数的问题sum = 0def sum(i1,i2):result = 0for i in range(i1,i2 + 1):result += ireturn resultsum = sum(1,9)print sum(1,9)显示错误,但第8,9行交换下位置,如下所示：sum = 0def sum(i1,i2):result = 0for i in rang python中for i in range(0, 3.0 , 0.1)为什么错?如果想要输出公差为0.1的等差数列呢? python 3.1.怎么我下了python的3.1.3版本,结果在解释器里连 “for i in range(0,3):print i”这样的语句都执行不了,说是语法错误.请大虾指教! python for i in range(2):for i in range(2):print(i,end=' ')i = 0print('hello')为什么输出是0 1 hello 而不是 0101循环 The telephone rang ______ I was in the garden. Python 中的for line in 我这个会报错,不知道是什么原因,报错如下： 求解释python中这几句话的意思bi = [0.0 for i in range(itemNum)]bu = [0.0 for i in range(userNum)]temp = math.sqrt(factorNum)qi = [[(0.1 * random.random() / temp) for j in range(factorNum)] for i in range(itemNum)]pu = [[(0.1 * random.random 求python l = [random.choice(range(n)) for i in ral = [random.choice(range(n)) for i in range(N)]是我不好,我想问得是：for 前面 为什么有东东···和for结合起来是什么逻辑关系n的···我明白 几个高二英语选择I had hardly got in the house -----the phone rang.( )a.until b.unless c.thile d.whencould you watch the dishes for me?----after i finish the rang .a.what if b.what for c.what until d.what aboutEven if you are n the right track As soon as the bell rang for break,the door opened and in came Mr Black. python英文题目求解答!~~~~Given dictionaries, d1 and d2, create a new dictionary with the following property: for each entry (a, b) in d1, if a is not a key of d2 (i.e., not a in d2) then add (a,b) to the new dictionary for each entry (a, b) in One day,I was cooking in the kitchen _the telephone rang 是哪篇文章? I was in the kitchen ____something when the doorbell rang求空白处的答案 python：如何将一个list的第2,5,6,7,8项同时删去?现在一个list叫p,p=[2,5,6,7,8],如果我写成for i in p:del mylist[i]就会out of range. 求英译中!Before I bad time to check what I had written in the exam,the bell rang the bell rang ( )the end of school填A.on B.in C.for D.at 选哪个 Yesterday I was just going out for ( work when)the phone rang.括号内work是否应该为working?为什么? I rang the hotel to ____ a double room for a week.A.reserve B.conserve C.preserve D.deserve