生成随机唯一坐标:
from random import randint
def gencoordinates(m, n):
seen = set()
x, y = randint(m, n), randint(m, n)
while True:
seen.add((x, y))
yield (x, y)
x, y = randint(m, n), randint(m, n)
while (x, y) in seen:
x, y = randint(m, n), randint(m, n)
Output:
>>> g = gencoordinates(1, 100)
>>> next(g)
(42, 98)
>>> next(g)
(9, 5)
>>> next(g)
(89, 29)
>>> next(g)
(67, 56)
>>> next(g)
(63, 65)
>>> next(g)
(92, 66)
>>> next(g)
(11, 46)
>>> next(g)
(68, 21)
>>> next(g)
(85, 6)
>>> next(g)
(95, 97)
>>> next(g)
(20, 6)
>>> next(g)
(20, 86)
正如你所看到的x
坐标重复了!