print('----------------')a = ['aa','bb','cc','dd','ee']for i in range(len(a)):    print(i,a[i])#默认换行print('分割-----')for i in range(len(a)):    print(i,a[i],end='')#不换行print('分割-----')for i in range(len(a)):    print(i,a[i],end=' ')#不换行，空格隔开print('分割-----')for i in range(len(a)):    print(i,a[i],end=',')#不换行，逗号隔开print('分割-----')for i in range(len(a)): print(i,a[i],end='>')#>隔开