#文件random_walk.py
from random import choice
class Randomwalk():
def _ init _ (self, num_points=500):
"""初始化随机漫步的属性"""
self.num_points = num_points
# 所有随机漫步都始于(0,0)
self.x_values = [0]
self.y_values = [0]
def fill_walk(self):
"""计算随机漫步所包含的所有点” """
# 不断漫步, 直到列表达到指定的长度
while len(self.x_values) < self.num_points:
# 决定前进方向以及沿着个方向前进的距离
x_direction = choice([1, -1])
x_distance = choice([0, 1, 2, 3, 4])
x_step = x_direction * x_distance
y_direction = choice([1, -1])
y_distance = choice([1, 2, 3, 4])
y_step = y_direction * y_distance
# 拒绝原地踏步
if x_step == 0 and y_step == 0:
continue
# 计算下一个点的x值和y值
next_x = self.x_values[-1] + x_step
next_y = self.y_values[-1] + y_step
self.x_values.append(next_x)
self.y_values.append(next_y)
#文件rw_visual.py
import matplotlib.pyplot as plt
from random_walk import Randomwalk
rw = Randomwalk()
rw.fill_walk()
plt.scatter(rw.x_values, rw.y_values, s=15)
plt.show()
在idle里面能出结果,在pycharm中没报错,但没结果