More generally, the right side can be any kind of sequence (string, list or tuple). For example, to split an email address into a user name and a domain, you could write.

更普适的情况下，等号右边以是任意一种序列(字符串、列表或者元组)。比如，要把一个电子邮件地址转换成一个用户名和一个域名，可以用如下代码实现。

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The Test Software can be configured to send an email on error and also at the end of a test sequence.

测试软件可以配置发送邮件，当测试出现错误和测试结束时发送一封邮件。

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Reminding abandoners that there are still items in their online shopping carts is remarkably effective: you should be able to recover between 10% and 30% of abandoned shopping carts by sending a sequence of gentle nudges by email.

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