
def Call4():
    print 'Start Call4'
    print 'End Call4'

def Call3():
    print 'Start Call3'
    Call4()
    print 'End Call3'

def Call2():
    print 'Start Call2'
    Call3()
    print 'End Call2 - a'
    print 'End Call2 - b'

def Call1():
    print 'Start Call1'
    Call2()
    print 'End Call1'

if __name__ == '__main__':
    Call1()
    print 'TEST SUCEEDED!'
