python-赋值语句

赋值语句

x=1
y=2
k=x+y
print(k)

>>> x,y=4,9
>>> print(x,y)
4 9
>>> a,b='34'
>>> a
'3'
>>> b
'4'

>>> a=4
>>> b=8
>>> a,b=b,a
>>> a
8
>>> b
4

>>> i,j=[1,2,3]
Traceback (most recent call last):
  File "<pyshell#30>", line 1, in <module>
    i,j=[1,2,3]
ValueError: too many values to unpack (expected 2)

>>> i,*j=[1,2,3]
>>> i
1
>>> j
[2, 3]

>>> a=b=c=5
>>> a
5
>>> b
5
>>> c
5