**Section 1**
basic ctor: object @ 0xbffeebb0, data[0] @ 0x857e008
basic ctor: object @ 0xbffeeba8, data[4] @ 0x857e018
a: []
b: [10,20,30,40]
**Section 2**
copy ctor: object @ 0xbffeeba0, data[4] @ 0x857e030
copy ctor: object @ 0xbffeeb98, data[4] @ 0x857e048
c: [10,20,30,40]
d: [10,20,30,40]
**Section 3**
assignment op: object @ 0xbffeebb0, did not copy self!
assignment op: object @ 0xbffeebb0, deleting data[0] @ 0x857e008, copied data[4] to 0x857e060
a: [10,20,30,40]
b: [10,20,30,40]
**Section 4**
copy ctor: object @ 0xbffeebb8, data[4] @ 0x857e078
sum of elements in a: 100
dtor: object @ 0xbffeebb8, data[4] @ 0x857e078
**Section 5**
basic ctor: object @ 0x857e008, data[5] @ 0x857e078
copy ctor: object @ 0xbffeeb90, data[5] @ 0x857e090
e:[8,16,24,32,40]
**DONE**
dtor: object @ 0xbffeeb90, data[5] @ 0x857e090
dtor: object @ 0xbffeeb98, data[4] @ 0x857e048
dtor: object @ 0xbffeeba0, data[4] @ 0x857e030
dtor: object @ 0xbffeeba8, data[4] @ 0x857e018
dtor: object @ 0xbffeebb0, data[4] @ 0x857e060