importnumpyasnpimportmatplotlib.pyplotaspltdepartments=["Πωλησεις","Αναπτυξη","Υποστηριξη","Marketing","HR"]before=np.array([68,72,65,70,60])after=np.array([78,80,72,74,68])fig,ax=plt.subplots(figsize=(6,4))ax.hlines(departments,before,after,color="#94a3b8",linewidth=3)ax.scatter(before,departments,color="#ef4444",s=80,label="Πριν")ax.scatter(after,departments,color="#22c55e",s=80,label="Μετα")ax.set_xlabel("Βαθμος εμπλοκης")ax.set_title("Εμπλοκη πριν και μετα (dumbbell)")ax.legend(loc="lower right")ax.grid(axis="x",alpha=0.2)fig.tight_layout()plt.show()