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import pandas as pd
import psycopg2 as psy
import getpass
import matplotlib.pyplot as plt
data = pd. read_csv (r'vgsales.csv')
df = pd.DataFrame(data)
df = df.drop_duplicates()
co = None
try:
co = psy. connect(host='londres',
database ='dbanperederi',
user='anperederi',
password = getpass.getpass("Mot de passe:"))
datafr = pd.read_sql('''SELECT ROUND(AVG(global_sales),2) as vente_moyennes, year
FROM VGSales
WHERE genre = 'Adventure' and year != 'NaN'
GROUP BY year
ORDER by year;''', con=co)
fig = datafr.plot(x='year', y='vente_moyennes', kind='line', title='Evolution des ventes globales des jeux daventure', figsize=(10, 5), legend=True, fontsize=12)
plt.show()
datafr = pd.read_sql('''SELECT SUM(global_sales) as total_vente, year
FROM VGSales
WHERE genre = 'Adventure' AND year != 'NaN'
GROUP BY year
ORDER by year;''', con=co)
fig = datafr.plot(x='year', y='total_vente', kind='line', title='Evolution des ventes globales des jeux', figsize=(10, 5), legend=True, fontsize=12)
plt.show()
datafr = pd.read_sql('''SELECT SUM(global_sales) as total_vente, year
FROM VGSales
WHERE year != 'NaN'
GROUP BY year
ORDER by year;''', con=co)
fig = datafr.plot(x='year', y='total_vente', kind='line', title='Evolution des ventes globales des jeux', figsize=(10, 5), legend=True, fontsize=12)
plt.show()
except (Exception , psy.DatabaseError ) as error :
print ( error )
finally :
if co is not None:
co.close ()