1def test_line():
2    a = 1
3    print('# Preamble', a)
4    for i in range(2):
5        a = i
6        b = i+2
7        c = i+3
8        if c < 4:
9            a = c
10        d = a + b +c
11        print('#', a, b, c, d)
12    a = 1
13    print('# Epilogue', a)
14
15
16if __name__ == '__main__':
17    test_line()
18