SubtractFromSelf

wVector.subractFromSelf(wVector)
Subtracts a wVector to the current wVector.

Returns None.

Variables:
wVector: vector to subtract.

Example:
import WhitePython as wp # v1 = wp.wVector(1,2)

v2 = wp.wVector(3,4)

v1.subtractFromSelf(v2) # print v1