plt.style.use("tableau-colorblind10")

plt.bar(x, y1, label="HR")
plt.bar(x, y2, bottom=y1, label="Engineering")
plt.bar(x, y3, bottom=y1 + y2, label="Marketing")
plt.bar(x, y4, bottom=y1 + y2 + y3, label="Sales")

plt.title("[DO] Employee Count Per Location And Department", loc="left", fontdict={"weight": "bold"}, y=1.06)
plt.xlabel("Office Location")
plt.ylabel("Count")

plt.legend(loc="upper right", ncol=4)
plt.ylim(top=320)
plt.show()