import matplotlib.pyplot as plt
from matplotlib.ticker import FuncFormatter


quarters = [1, 2, 3, 4]
revenue = [12500, 18100, 23600, 31200]

fig, ax = plt.subplots(layout="constrained")
ax.plot(quarters, revenue, marker="o", linewidth=2)

ax.set_xticks(quarters, labels=["Q1", "Q2", "Q3", "Q4"])
ax.set_yticks([0, 10000, 20000, 30000, 40000])
ax.yaxis.set_major_formatter(
    FuncFormatter(lambda value, position: f"${value / 1000:.0f}k")
)

ax.set_xlabel("Quarter")
ax.set_ylabel("Revenue")
ax.set_title("Quarterly revenue with formatted tick labels")

fig.savefig("formatted-revenue-ticks.png", dpi=160)
fig.canvas.draw()

print("xlabels=" + ", ".join(tick.get_text() for tick in ax.get_xticklabels()))
print("ylabels=" + ", ".join(tick.get_text() for tick in ax.get_yticklabels()))
print("saved=formatted-revenue-ticks.png")