python之使用python的字符串插值

我刚开始学习如何在字符串中使用字符串插值，但在获取我正在使用的示例以实际打印正确结果时遇到了问题。

我试过:

print "My name is {name} and my email is {email}".format(dict(name="Jeff", email="me@mail.com")) 

它会报错 KeyError: 'name'

然后我尝试使用:

print "My name is {0} and my email is {0}".format(dict(name="Jeff", email="me@mail.com")) 

然后打印

My name is {'email': 'me@mail.com', 'name': 'Jeff'} and my email is {'email': 'me@mail.com', 'name': 'Jeff'} 

然后我尝试这样做:

print "My name is {0} and my email is {1}".format(dict(name="Jeff", email="me@mail.com")) 

它会报错 IndexError: tuple index out of range

它应该返回以下输出结果:

My name is Jeff and my email is me@mail.com 

谢谢。

请您参考如下方法:

只需删除对 dict 的调用:

>>> print "My name is {name} and my email is {email}".format(name="Jeff", email="me@mail.com") 
My name is Jeff and my email is me@mail.com 
>>> 

这是关于 string formatting 语法的引用.