for i in zip(
时间: 2024-06-01 10:10:38 浏览: 30
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相关问题
python "for i in zip()"
The code snippet "for i in zip()" is used to iterate over two or more sequences at the same time by pairing up corresponding elements from each sequence. The zip() function takes one or more iterables as arguments and returns an iterator that produces tuples containing the corresponding elements from each iterable.
For example, consider the following code:
```
fruits = ['apple', 'banana', 'orange']
prices = [1.50, 0.99, 2.50]
for fruit, price in zip(fruits, prices):
print(fruit, price)
```
This will output:
```
apple 1.5
banana 0.99
orange 2.5
```
In this example, the `zip()` function is used to pair up corresponding elements from the `fruits` and `prices` lists, and the resulting iterator is used in the `for` loop to iterate over the pairs of elements. The loop body then unpacks each pair into the variables `fruit` and `price`, which are then used to print out the name of the fruit and its corresponding price.
python "for i in zip()" 中文
代码片段 "for i in zip()" 用于同时迭代两个或多个序列,并将来自每个序列的对应元素配对。zip() 函数将一个或多个可迭代对象作为参数,并返回一个迭代器,该迭代器生成包含每个可迭代对象对应元素的元组。
例如,考虑以下代码:
```
fruits = ['apple', 'banana', 'orange']
prices = [1.50, 0.99, 2.50]
for fruit, price in zip(fruits, prices):
print(fruit, price)
```
这将输出:
```
apple 1.5
banana 0.99
orange 2.5
```
在这个例子中,`zip()` 函数用于将 `fruits` 和 `prices` 列表中对应的元素配对,并将生成的迭代器用于 `for` 循环,以便遍历元素对的集合。然后,循环体将每个元素对解包到变量 `fruit` 和 `price` 中,然后使用它们打印出水果的名称和对应的价格。