test.py

def proc1(p): p[0]=p[1]

def proc2(p): p=p+[1]

def proc3(p): q=p p.append(3) q.pop()

def proc4(p): q=[] while p: q.append(p.pop()) while q: p.append(q.pop())

def test1(): p=[1, 2, 3, 4, 5] proc1(p) if p == [1, 2, 3, 4, 5]: print(True) else: print(False)

def test2(): p=[1, 2, 3, 4, 5] proc2(p) if p == [1, 2, 3, 4, 5]: print(True) else: print(False)

def test3(): p=[1, 2, 3, 4, 5] proc3(p) if p == [1, 2, 3, 4, 5]: print(True) else: print(False)

def test4(): p=[1, 2, 3, 4, 5] proc4(p) if p == [1, 2, 3, 4, 5]: print(True) else: print(False)

test1() test2() test3() test4()