@st.cache
def read_data():
    url = 'https://raw.githubusercontent.com/emrecanaltinsoy/forex_data/main/forex_usd_data.csv'
    data = pd.read_csv(url)
    cols = data.columns
    return (data, cols[1:])
@st.cache
def read_data():
    url = 'https://raw.githubusercontent.com/emrecanaltinsoy/forex_data/main/forex_usd_data.csv'
    data = pd.read_csv(url)
    cols = data.columns
    return (data, cols[1:])