while(iter.hasNext()){
    obj = iter.getNext()
}

while(obj.hasNext()){
   obj = obj.getNext()
}

def pPrint(self, opts=[],args=[],code=[],symbols={}):
    output = []

    for k, arg in enumerate(args):
        if "_str_" in dir(arg):
            output.append(arg._str_())
        elif arg.name.startswith("Variable"):
            args.insert(k+1, symbols[-1][arg.id])
        else:
            output.append(str(arg))

    outstr = ' '.join(output)
    osPrint(outstr)
    return po.pString(outstr)

>>> L = [5, 4, 3, 2, 1]
>>> enumerate(L)
<enumerate object at 0x0354A9E0>
>>> list(enumerate(L))
[(0, 5), (1, 4), (2, 3), (3, 2), (4, 1)]

>>> L = list(range(10))
>>> for x in L:
	print(x)
	L.remove(x)


0
2
4
6
8
>>> L
[1, 3, 5, 7, 9]

>>> L = list(range(10))
>>> for x in L:
	print(x)
	L.remove(x+1)


0
2
4
6
8
>>> L
[0, 2, 4, 6, 8]

PS C:\Tools\Scripts>  [System.Collections.ArrayList]$a=0..9;foreach($x in $a){$x;$a.Remove($x)}
0
Collection was modified; enumeration operation may not execute.

>>> S = "hello"
>>> for i, s in enumerate(S):
	print(i,s)
	S += s


0 h
1 e
2 l
3 l
4 o
>>> S
'hellohello'