1. install requirments.txt using the command below
    1.1 pip install -r requirements.txt
2. streamlit run main.py

Finland : +5 (2015: 6  , 2022: 1)
Armenia: +45  (2015: 127  , 2022: 82)
Argantiana : -27 (2015: 30  , 2022: 57)
Georgia : +25 (2015: 130  , 2022: 105)
Greece: +44 (2015: 102  , 2022: 58)
Iran : 0 (2015: 110  , 2022: 110)
Russia : -16 (2015: 64  , 2022: 80)
France: +9 (2015: 29  , 2022: 20)
Germany: +12 (2015: 26  , 2022: 14)
Venezuela: -85 (2015: 23  , 2022: 108)

1: Denmark ≈ 2.12
2: Finland ≈ 2.62
3: Iceland ≈ 3.37

Correlation between Happiness Score and Family (Social Support) ≈ 0.7
Correlation between Happiness Score and Trust (Government Corruption) ≈ 0.4
Correlation between Happiness Score and Freedom is ≈ 0.6
Correlation between Economy (GDP per Capita) and Health (Life Expectancy) ≈ 0.8
Correlation between Freedom and Generosity ≈ 0.2