import random
a = [ 0 ] *5 ; i = 0 ; flag = True
while i < 5 :
a[ i ] = random.randint( 1 , 8 )
if i % 2 == 1 :
a[ i ] = a[ i ] + a[ i - 1 ]
flag = not flag
elif a[ i ] % 2 == 0 and flag == False:
i -= 1
i += 1
执行该程序段后,列表a的值不可能的是( )