擅长:python、mysql、java
<p>你在找类似的吗?在</p>
<pre><code>import matplotlib.pyplot as plt
import numpy as np
a = np.ones(100)
multi = np.arange(0,100,5)
plt.ylim(-0.5,10)
for x in multi:
plt.annotate("a=5k",xy=(x,1),xytext=(x,1+4*np.random.rand()),
arrowprops=dict(facecolor='black', shrink=0.05))
plt.plot(a,'k.')
plt.show()
</code></pre>
<p><img src="https://i.stack.imgur.com/ytyTL.png" alt="enter image description here"/></p>