Assingnment 01B - Points to curves

import maya.cmds as cmds
from math import*
from random import*
######################################################
#from points to curves
#defining initial variables
numRows= 30
numColumns=3
numLevels=9
amplitude = 7
#create an empty list to store the points
points= []
#defining the loop and gather information
for i in range (-1,numRows,1):
x= sin(6*i)*amplitude
for j in range (-1,numColumns,2):
y= cos(i)*8
for k in range (0,numLevels,2):
z= k+1
myPoint=(x,y,z)
#store the point in the list
points.append(myPoint)
#create the curve
cmds.curve (d= 3, p= points) #curve degree 3