matplotlib

import matplotlib.pyplot as plt

ages_x = [25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35]
dev_y = [38496, 42000, 46752, 49320, 53200, 56000, 62316, 64928, 67317, 68748, 73752]
plt.plot(ages_x, dev_y, color="#444444", linestyle="--", label="All Devs")


py_dev_y = [45372, 48876, 53850, 57287, 63016,
            65998, 70003, 70000, 71496, 75370, 83640]
plt.plot(ages_x, py_dev_y, color="#5a7b9a", linewidth=3, label="Python")


js_dev_y = [37810, 43515, 46823, 49293, 53437,
            56373, 62375, 66674, 68745, 68746, 74583]
plt.plot(ages_x, js_dev_y, color="#adad3b", linewidth=3, label="Javascript")


plt.xlabel("ages")
plt.ylabel("Median Salaries (USD)")
plt.title("Median Salary (USD) by Age")

plt.legend()

plt.show()