list1 = ['ji','yan','jiao']
list2 = list1[:]
print('list1[:] 打印出的结果为:',list2)
'''
打印结果:
list1[:] 打印出的结果为: ['ji', 'yan', 'jiao']
'''
list1 = ['ji','yan','jiao']
list3 = list1[0:1:1]
list3_1 = list1[0:2:1]
list3_2 = list1[0:2:2]
list3_2_1 = list1[0:3:2]
list3_3 = list1[0:-1:1]
print('list1[0:1:1] 打印的结果为:',list3)
print('list1[0:2:1] 打印的结果为:',list3_1)
print('list1[0:2:2] 打印的结果为:',list3_2)
print('list1[0:3:2] 打印的结果为:',list3_2_1)
print('list1[0:-1:1] 打印的结果为:',list3_3)
'''
打印结果:
list1[0:1:1] 打印的结果为: ['ji']
list1[0:2:1] 打印的结果为: ['ji', 'yan']
list1[0:2:2] 打印的结果为: ['ji']
list1[0:3:2] 打印的结果为: ['ji', 'jiao']
list1[0:-1:1] 打印的结果为: ['ji', 'yan']
'''
list1 = ['ji','yan','jiao']
list4 = list1[:2]
list4_1 = list1[:3]
print(' list1[:2]打印结果为:',list4)
print(' list1[:3]打印结果为:',list4_1)
'''
打印结果:
list1[:2]打印结果为: ['ji', 'yan']
list1[:3]打印结果为: ['ji', 'yan', 'jiao']
'''
list1 = ['ji','yan','jiao']
list5 = list1[2:0:-1]
list5_1 = list1[2:0:-2]
print(' list1[2:0:-1]打印结果为:',list5)
print(' list1[2:0:-2]打印结果为:',list5_1)
'''
打印结果:
list1[2:0:-1]打印结果为: ['jiao', 'yan']
list1[2:0:-2]打印结果为: ['jiao']
'''