python swea 2005 파스칼의 삼각형

https://swexpertacademy.com/main/code/problem/problemDetail.do?contestProbId=AV5P0-h6Ak4DFAUq&categoryId=AV5P0-h6Ak4DFAUq&categoryType=CODE&&&

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num = int(input())
s = [[0 for col in range(10)] for row in range(10)] # 이차원배열 선언 

for i in range(0, num):
    for j in range(0, i+1):
        if i==0 or i==j:
            s[i][j] = 1
        else:
            s[i][j] = s[i-1][j-1] + s[i-1][j]

for i in range(0, num):
    for j in range(0, num):
        if s[i][j] == 0:
            print(" ", end = '')
        else:
            print(s[i][j], end = '')
    print("\n")