import matplotlib.pyplot as plt
import numpy as np
 
# Dữ liệu
services = ['Ground Service', 'Commercial Service', 'In-flight Service']
average_scores = [8.5, 6.0, 4.5]
ticket_counts = [120, 90, 75]
colors = ['green', 'yellow', 'red']
 
# Tạo biểu đồ
fig, ax = plt.subplots()
 
# Vẽ các cột
bars = ax.bar(services, average_scores, color=colors)
 
# Thêm số lượng ticket vào mỗi cột
for i, bar in enumerate(bars):
    height = bar.get_height()
    ax.text(bar.get_x() + bar.get_width() / 2., height,
            f'{ticket_counts[i]} tickets\n{average_scores[i]}',
            ha='center', va='bottom')
 
# Thiết lập trục tung
ax.set_ylim(0, 10)
ax.set_ylabel('Điểm số trung bình')
 
# Thiết lập trục hoành
ax.set_xlabel('Mảng dịch vụ')
 
# Tiêu đề biểu đồ
ax.set_title('Điểm số trung bình của các mảng dịch vụ')
 
# Hiển thị biểu đồ
plt.show()

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