擅长:python、mysql、java
<pre><code>import matplotlib.pyplot as plt
import numpy as np
years=[1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
people_number=1420062022
popln=np.zeros(len(years))
popln[0]=people_number
for i in years:
if i!=10:
popln[i]=popln[i-1]*1.0035
plt.plot(years, popln)
plt.title("Number of people in China")
plt.ylabel("(billions)")
plt.show()
plt.close()
</code></pre>