[英]Looping over multiple lists with enumerate
It looks like enumerate and zip don't work together in Python 3?看起来枚举和 zip 在 Python 3 中不能一起工作?
alist = ['a1', 'a2', 'a3']
blist = ['b1', 'b2', 'b3']
for i, a, b in enumerate(zip(alist, blist)):
print(i, a, b)
Returns 'int' object is not callable返回 'int' object 不可调用
Add ()
around a,b
.在
a,b
周围添加()
。 The unpacking of the values is for the enumerate
function which returns tuples of size two: index and value.值的解包是针对
enumerate
function 的,它返回大小为 2 的元组:索引和值。 If you further want to unpack the value item then as below:如果您还想解开价值项目,那么如下:
for i, (a, b) in enumerate(zip(alist, blist)):
print(i, a, b)
Since zip
returns tuples, you can also do:由于
zip
返回元组,您还可以执行以下操作:
for i, t in enumerate(zip(alist, blist)):
print(i, t[0], t[1])
Or:或者:
for i, t in enumerate(zip(alist, blist)):
print(i, *t)
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