tennis_players = list(world.Tennis_Player)
x_coords = list(world.Earnings)
y_coords = list(world.Win_Percentage)

plt.figure(figsize=(18, 12))

for i, player in enumerate(tennis_players):
    x = x_coords[i]
    y = y_coords[i]
    plt.scatter(x, y, marker='o', color='red', alpha=0.5, s=100)

    plt.text(x+0.3, y+0.3, player, fontsize=10)


plt.title('The Relationship between Win Percentage and Prize Money\nfor Former World Number No.1s', fontsize=20)
plt.ylabel('Win Percentage (%)', fontsize=16)
plt.xlabel('Prize Money', fontsize=16)
plt.show()