a = [i for i in range(1, 6)]
 
try:
    if len(a) > 0:
        [a.remove(a[-2]), a.extend([6, 7, 8]), a.insert(2, "Python") if len(a) >= 2 else None]
 
    for _ in range(len(a) // 2):
        if len(a) % 2 == 0:
            a.pop(0)
        else:
            a.pop()
 
except (IndexError, ValueError) as e:
    print(f"Exception occurred: {e}")
 
finally:
    print("Final list:", a)
    print("Sum of lengths:", sum(len(str(item)) for item in a))
 

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