g_var = 0    
nl_var = 0 
print("top level-> g_var: {0} nl_var: {1}".format(g_var, nl_var))
def test():
    nl_var = 2
    print("in test-> g_var: {0} nl_var: {1}".format(g_var, nl_var))
    def inner_test():
        global g_var
        nonlocal nl_var
        g_var = 1
        nl_var = 4
        print("in inner_test-> g_var: {0} nl_var: {1}".format(g_var, nl_var))
        
    inner_test()
    print("in test-> g_var: {0} nl_var: {1}".format(g_var, nl_var))
    
test()
print("top level-> g_var: {0} nl_var: {1}".format(g_var, nl_var))