res = [0 for _ in range(15)]
时间: 2024-05-31 14:07:51 浏览: 7
This line of code creates a list called "res" containing 15 elements, all initialized to 0. The underscore in the "for" loop indicates that the loop variable is not needed, so it is not given a name. This is a common convention in Python when the value of the loop variable is not important.
相关问题
import collections def solve_method(n: int) -> None: asc = True list_ = collections.deque() x = 1 for i in range(1, n + 1): arr = [0] * i if asc: for j in range(i): arr[j] = x x += 1 else: for j in range(i - 1, -1, -1): arr[j] = x x += 1 list_.appendleft(arr) asc = not asc res = [] head = "" for ints in list_: content = head for j in range(len(ints)): num = ints[j] content += str(num) content += "*" * (4 - len(str(num))) if j != len(ints) - 1: content += " " res.append(content) head += " " for s in reversed(res): print(s) if __name__ == "__main__": n = int(input()) solve_method(n) 改写以上代码,python
import collections
def solve_method(n):
asc = True
list_ = collections.deque()
x = 1
for i in range(1, n + 1):
arr = [0] * i
if asc:
for j in range(i):
arr[j] = x
x += 1
else:
for j in range(i - 1, -1, -1):
arr[j] = x
x += 1
list_.appendleft(arr)
asc = not asc
res = []
head = ""
for ints in list_:
content = head
for j in range(len(ints)):
num = ints[j]
content += str(num)
content += "*" * (4 - len(str(num)))
if j != len(ints) - 1:
content += " "
res.append(content)
head += " "
for s in reversed(res):
print(s)
if __name__ == "__main__":
n = int(input())
solve_method(n)
def doTrain(self): nbatches = self.args.nbatches nepoch = self.args.nepoch batchSize = int(self.D.trainSize / nbatches) allreadyindex = 0 dis_a_L, dis_b_L = [], [] dis_count = 0 for epoch in range(nepoch): res = 0 for batch in range(nbatches): losses = [] stime = time.time() pairs = [[], [], []]
这段代码看起来是一个训练循环,其中有两个循环变量:`epoch` 和 `batch`,分别代表训练的轮数和每轮的批次数。在每个批次中,模型会从数据集中取出一定数量的数据对(`pairs`),然后计算损失函数(`losses`)并更新模型参数。其中,`batchSize` 是每个批次的数据对数量,`nbatches` 是训练轮数,`nepoch` 是训练的总轮数,`allreadyindex` 是已经处理过的数据对数量。
另外,代码中还定义了一些变量,如 `dis_a_L`、`dis_b_L` 和 `dis_count`,但没有看到它们在这段代码中有什么作用。
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