5
我试图在战舰上设置船只。下面的代码中的函数应该用一些船只和一个板(一个数组数组)作为参数来做到这一点。当我在终端中运行这个时,我得到:python中的输出是什么意思?
[[1, [...]], [1, [...]], [2, [...]]]
什么意思?如何在此输出中用0到2之间的随机整数替换?
from random import randint
def print_board(board):
for row in board:
print " ".join(row)
def random_row(board):
return randint(0, len(board) - 1)
def random_col(board):
return randint(0, len(board[0]) - 1)
def set_the_ships(num_ships,board):
ship_list = []
for i in range(num_ships):
ship_row = random_row(board)
ship_col = random_col(board)
position = [ship_row,ship_list]
for j in range(i - 1):
while (position[0] == ship_list[j][0] and position[1] == ship_list[j][1]):
ship_row = random_row(board)
ship_col = random_col(board)
position = [ship_row,ship_list]
ship_list.append(position)
return ship_list
print set_the_ships(3,[[0,0,0],[0,0,0],[0,0,0]])
“引用循环”表示列表包含对自身的引用。 – kindall
不仅对于它本身,而且对于递归调用中已经打印的任何对象,请考虑例如:'a = []; B = [A]; a.append(b)中; C = [A];打印c' – lejlot