def get_df_change():
    df = pd.read_csv('data.csv', index_col=False)
    dates = df['Date']
    dates = pd.DataFrame(dates)
    df = df.drop(columns=['Date'])
    dfDiff = df.diff()
    dfDiff = dates.join(dfDiff)
    dfDiff = dfDiff.iloc[1:]
    return dfDiff
def get_df_change():
    df = pd.read_csv('data.csv', index_col=False)
    dates = df['Date']
    dates = pd.DataFrame(dates)
    df = df.drop(columns=['Date'])
    dfDiff = df.diff()
    dfDiff = dates.join(dfDiff)
    dfDiff = dfDiff.iloc[1:]
    return dfDiff