Python (´∀｀)

app.py

# -*- coding: utf-8 -*-

def main(bool = 0):
    if bool is True:
        print u"Calling True"
    elif bool is False:
        print u"Calling False"
    else:
        print u"Not working"

if __name__ == '__main__':
    main(True)
    main(False)
    main()