Question

How do you write square root symbol in Python or even 4 'square root symbol' number?

Answer 1

In ascii, it is character 251.

Answer 2

But that is above 127.... so extended which never got standardized. So I did a little looking. Unicode characters.

>>> print unichr(0x221A)
√
>>> print unichr(0x221B)
∛
>>> print unichr(0x221C)
∜
>>>

Did that on Python 2.7.2

Answer 3

Hi. As far as I understand, you don't really need the root symbol in Python to calculate root. The easiest way to do it is to use expanentiation symbol **. So, in order to calculate squre root, you just type 16**0.5. As to 4 root, use the same principle. 0.5 is actually 1/2. So you will need 1/4 for 4 root. But take care. You can only get a float as a result of division in Python, if you use floats, not integers. Does it make sense?

Answer 4

I thought they meant for output because many problem sets have you find a way to get the root without using the command. However, that is a good point, they may be trying to actually get a root.

Answer 5

You can also use "import math" command, then use math.sqrt(x). This figures out the square for you without the use of exponents. As for the 4th root I used the math.sqrt(x) function and applied the usage of exponents in order to get what I was looking for. For example:
>>>import math
>>>answer = math.sqrt(81)**0.5
>>>print answer
3.0
>>>
I'm a total n00b, and I'm a little reluctant to say I could be wrong, but I got the right answer.