What's the reason for mentioning the <T> in the definition of a template member

[rawfool]

Why is the syntax of a template member definition written in the following way -

template <typename T>
MyList<T>::push_back(T & value) { ... }

template <typename T>
MyList<T>::push_back(T & value) { ... }

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and not

template <typename T>
MyList::push_back(T & value) { ... }    //  why can't it be MyList:: instead of MyList<T>::

template <typename T>
MyList::push_back(T & value) { ... }    //  why can't it be MyList:: instead of MyList<T>::

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Is there any reason for the usage of <T> immediately after the class name?
Thanks.