#386 Lineplot from a wide-form dataset using seaborn library

#Lineplot from a wide-form dataset using seaborn library
import numpy as np
import pandas as pd
import matplotlib.pyplot as plt
#conda install -c anaconda seaborn
import seaborn as sns
sns.set_theme(style="whitegrid")


def main():
    rs = np.random.RandomState(365)
    values = rs.randn(365, 4).cumsum(axis=0)
    dates = pd.date_range("1 1 2016", periods=365, freq="D")
    data = pd.DataFrame(values, dates, columns=["A", "B", "C", "D"])
    data = data.rolling(7).mean()
    sns.lineplot(data=data, palette="tab10", linewidth=2.5)
    plt.savefig("ex386.png", dpi=100)
    plt.show()

if __name__ == '__main__':
    main()