As a result, the 20 byte block allocated by the func function is lost and results in a memory leak.
结果，func函数所分配的20个字节的块就丢失了，并导致了内存泄漏。
Finally, it calls the overloaded function func with char type arguments.
最后，调用使用char类型的参数的重载函数func。
The second form leaves func as a standard Python function, but optimizes calls involving newname.
第二种形式把func作为标准的python函数，但是优化了涉及newname的调用。
A main function calls the public function func with int arguments of class space.
main函数，它调用space类中使用int参数的公共函数func。
"Reduce (func, sequence)" returns a single value constructed by calling the binary function func on the first two items of the sequence, then on the result and the next item, and so on.
返回一个单值，它是这样构造的：首先以序列的前两个元素调用函数，再以返回值和第三个参数调用，依次执行下去。
"Reduce (func, sequence)" returns a single value constructed by calling the binary function func on the first two items of the sequence, then on the result and the next item, and so on.
返回一个单值，它是这样构造的：首先以序列的前两个元素调用函数，再以返回值和第三个参数调用，依次执行下去。
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