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2013
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go4python
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fib.py
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#!/usr/bin/python
def
fib
(
n
):
a
,
b
=
0
,
1
for
i
in
range
(
n
):
a
,
b
=
b
,
a
+
b
return
b
def
fib_rec
(
n
):
if
n
<=
1
:
return
1
else
:
return
fib_rec
(
n
-
1
)
+
fib_rec
(
n
-
2
)
for
x
in
range
(
10
):
print
fib
(
x
),
fib_rec
(
x
)