import numpy as np
e = np.arange(1100, 2000, 10).reshape( (9, 10) )
print(e)
e[ 0 , 0 ]
e[ 0 , 0 ] = 999
print(e)
#Q34
e[ 1 , 0 ]
e[ 1 , 0 ] = 999
print(e)
#Q36
e[ 2 , 0 ]
#Q37
e[ 6 , 0 ]
#Q38
#e[ 3 , 9 ]
e[ 3 , -1 ]
e[ 3 , -1 ] = 999
print(e)
#Q40
e[ 3, -3 ]
e[ 3, -3 ] = 999
print(e)
e[ -1 , -2 ]
e[-1, -2] = 999
print(e)