4 курс 1 семестр / Лабораторные / Python / LR1_Q3

import mysql.connector
import pandas as pd
import matplotlib.pyplot as plt

# Connect to the 'airport' database
conn = mysql.connector.connect(
    host = '127.0.0.1',
    user = 'root',
    password = 'admin',
    database = 'airport'
)

# Perform the query
query = '''
SELECT 
    des_city, 
    SUM(price) as total_sales 
FROM 
    tickets 
GROUP BY 
    des_city 
ORDER BY 
    total_sales DESC
'''

df = pd.read_sql(query, conn)

# Close the connection
conn.close()

# Plot the result as a pie chart
plt.pie(df['total_sales'], labels=df['des_city'], autopct='%1.1f%%')
plt.title('Total ticket sales per destination city')
plt.show()