Nice post. You can save a traversal by combining
N
e
s
t
T
r
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e
followed by
T
r
e
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M
a
p
into a single
N
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s
t
T
r
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e
:
I
n
[
]
:
=
N
e
s
t
T
r
e
e
c
h
i
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d
t
a
x
a
,
m
a
c
k
e
r
e
l
s
h
a
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k
s
S
P
E
C
I
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S
S
P
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C
I
F
I
C
A
T
I
O
N
,
3
,
n
a
m
e
O
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t
[
]
=
I
n
[
]
:
=
T
r
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e
M
a
p
n
a
m
e
@
N
e
s
t
T
r
e
e
c
h
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d
t
a
x
a
,
m
a
c
k
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r
e
l
s
h
a
r
k
s
S
P
E
C
I
E
S
S
P
E
C
I
F
I
C
A
T
I
O
N
,
3
O
u
t
[
]
=
