In article
[EMAIL PROTECTED],
databyss [EMAIL PROTECTED] wrote:
I have a simple program and the output isn't what I expect. Could
somebody please explain why?
Here's the code:
#simple program
print v = 2
v = 2
print v**v = 2**2 =, v**v
print v**v**v = 2**2**2 =, v**v**v
print
I have a simple program and the output isn't what I expect. Could
somebody please explain why?
Here's the code:
#simple program
print v = 2
v = 2
print v**v = 2**2 =, v**v
print v**v**v = 2**2**2 =, v**v**v
print v**v**v**v = 2**2**2**2 =, v**v**v**v
#end program
Here's the output:
v = 2
On Mon, 2007-12-10 at 10:15 -0800, databyss wrote:
I have a simple program and the output isn't what I expect. Could
somebody please explain why?
[...]
v**v**v**v = 2**2**2**2 = 65536
I would expect 2**2**2**2 to be 256
Exponentiation is right-associative. 2**2**2**2 = 2**(2**(2**2)) =
databyss wrote:
I have a simple program and the output isn't what I expect. Could
somebody please explain why?
Here's the code:
#simple program
print v = 2
v = 2
print v**v = 2**2 =, v**v
print v**v**v = 2**2**2 =, v**v**v
print v**v**v**v = 2**2**2**2 =, v**v**v**v
#end program
:
v = 2
v**v = 2**2 = 4
v**v**v = 2**2**2 = 16
v**v**v**v = 2**2**2**2 = 65536
I would expect 2**2**2**2 to be 256
... in an unparenthesized sequence of power and unary operators, the
operators are evaluated from right to left ...
- http://docs.python.org/ref/power.html
So, 2**2**2**2 =
databyss wrote:
I would expect 2**2**2**2 to be 256
I stumbled upon it, too.
2**2**2**2 == 2**(2**(2**2)) == 2**16 == 65536
Christian
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databyss wrote:
I have a simple program and the output isn't what I expect. Could
somebody please explain why?
Here's the code:
#simple program
print v = 2
v = 2
print v**v = 2**2 =, v**v
print v**v**v = 2**2**2 =, v**v**v
print v**v**v**v = 2**2**2**2 =, v**v**v**v
#end program
