2D Arrays

[Jad Courbage]

Hi,

Could anybody tell me the command to build a 2D array ? (without using the
NumPy module)

I tried something like :

for i in range(0,5):
     for j in range(0,10):
          arr[i][j]=i*j

but it doesn't work !
Do i have to declare the array ?

Thanks.


jad.