散佈圖

import numpy as np
import matplotlib.pyplot as plt

x = np.random.rand(100) * 10

y = np.random.randint(1, 101, 100)

plt.scatter(x, y, marker='s')

plt.xlabel('xlabel_value')
plt.ylabel('ylabel_value')
plt.title('Scatter chart')
plt.show()

直方圖

import matplotlib.pyplot as plt
import numpy as np
import random

fig, ax = plt.subplots()
x = np.arange(1, 11, 1)
rdata = []
for i in range(50):
    n = random.randint(1, 10)
    rdata.append(n)
    
rdata.sort()
print(rdata)
plt.hist(rdata)
plt.title('Histogram')
plt.xticks(x)

plt.show()