paketi 2

import numpy
a=numpy.ndarray(3,numpy.float)
#print a
b=numpy.array([1.2,0.2,-0.6])
#print b
#print type (a)
#print type (b)
#print a.shape
c=numpy.array([1.3,2.0,1.4])
d=c+b
#print d
#print d*10
        e=b+c
#print c+b==b+c
#print (b+(c+d)) - ((b+c)+d)
zero=numpy.array([0,0,0])
#print zero.dtype
#print zero+b==b
x=numpy.array([1.2,2.3,3.4])
x_=numpy.array([-1.2,-2.3,-3.4])
#print x+x_
#print 1*(3*x) == (1*3)*x
#print (2.1+3.2)*x == (2.1*x)+(3.2*x)
print numpy.linalg.norm(x)