3

5

1

2

error

null

1

Error

2

5

4

3

2

1

0

4

[0,2,4,6]

[2,4,6,8]

[1,3,5,7]

error

new

old

null

0

error

{'Vicki': '9.7', 'Kim': 'Kardashian', 'Kanye’:’Boykis’ }

{'Vicki': 'Boykis', 'Kim': 'Kardashian', 'Kanye': 9.7}

error

error

is programming.

None

0

{1:’one’, 2 : ‘two’}

{’one’:1, ‘two’:2}

error

False

Error

True

0

1.0

0

2.0

error