import pandas as pd
import matplotlib.pyplot as plt

data = {
    'Members': [0, 2500, 5000, 7500, 10000, 12500, 15000],
    'Date': ['Apr 2015', 'Nov 2019', 'Apr 2020', 'Nov 2020', 'Sep 2021', 'Nov 2022', 'Jul 2023'],
    'Months': [0, 55, 5, 7, 10, 14, 8]
}

df = pd.DataFrame(data)
df['Date'] = pd.to_datetime(df['Date'], format='%b %Y')
df.set_index('Date', inplace=True)

plt.plot(df.index, df['Members'], marker='o', label='Members')
plt.plot(df.index, df['Months'], marker='o', label='Months')

plt.xlabel('Date')
plt.ylabel('Count')
plt.title('Membership Growth')

plt.legend()
plt.xticks(rotation=45)

plt.show()