# -*- codeing = utf-8 -*-
# @Time:2021/9/25 11:17
# @Author:惊鸿
# @File:demo2.py
# @Software:PyCharm

import numpy as  np
import matplotlib.pyplot as plt
arr2 = np.random.uniform(0,5,2000)
#print(arr2)
plt.hist(arr2)
plt.show()