python> Display 3 decimals in ".3f, .3f, .3f" format / Get 3 coordinate values in the range [-1: 1]

I got three random numbers and tried to display them in a format like "% .3f,% .3f,% .3f" in C language.

http://ideone.com/WGaHJR

import numpy as np
from numpy.random import *

pos = tuple( rand(3) )

frm = '%.3f, %.3f, %.3f'
print pos

print frm % tuple(pos)

result


(0.076222111784701618, 0.76602747950227201, 0.13864621611927097)
0.076, 0.766, 0.139

Reference http://stackoverflow.com/questions/7568627/using-python-string-formatting-with-lists

v0.2

Change the coordinate value to the range [-1,1].

http://ideone.com/PZPfxe

import numpy as np
from numpy.random import *
 
 
for loop in range(15):
	pos = tuple( rand(3) * 2 - 1 )
 
	frm = '[ %.3f, %.3f, %.3f ],'
	# print pos
 
	print frm % tuple(pos)

(Addition) @ Shiracamus's comment is better than the above.

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