1

2

3

4

>>> 2*3

>>> 6

>>> 2**3

>>> 8

1

2

3

4

def genius(age, *, first_name, last_name):

    print(first_name, last_name, 'is', age)

genius(28, first_name='Li', last_name='Bai')

# Li Bai is 28

1

2

3

4

5

6

A = [1, 2, 3]

B = (4, 5, 6)

C = {7, 8, 9}

L = [*A, *B, *C]

print(L)

# [1, 2, 3, 4, 5, 6, 8, 9, 7]

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2

3

4

5

6

7

8

9

10

D = {'first': 1, 'second': 2, 'third': 3}

print(*D)

# first second third

# print(**D)

# TypeError: 'first' is an invalid keyword argument for print()

print('{first},{second},{third}'.format(**D))

# 1,2,3

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2

3

4

5

6

L = [1, 2, 3, 4, 5, 6, 7, 8]

a, *b = L

print(a)

# 1

print(b)

# [2, 3, 4, 5, 6, 7, 8]