[python]N x N 배열 정리

#1. N x 1

j = [1]*5
print(j)

>> [1, 1, 1, 1, 1]

 

 

#2. (n,n) x 1

j = [1,0]*5
print(j)

>>

[1, 0, 1, 0, 1, 0, 1, 0, 1, 0]

 

#3.  1 x N

k = [0]*3
for i in k:
    print(i)

>>

0

0

0

 

#4. N X N

#4-1
k = [[0]*3 for i in range(2)]  #2단
print(k)

#4-2
k = [[0]*3 for i in range(2)]
print(k)
for i in k:
    print(i)

 

>> #4-1

[0, 0, 0], [0, 0, 0]

 

>> #4-2

[0, 0, 0]

[0, 0, 0]