Pascal_s_Triangle_2.py

def pascal(p):
    result = []
    for i in range(p):
        if i == 0:
            result.append([1])
        else:
            result.append([1] + [result[i - 1][j] + result[i - 1][j + 1] for j in range(len(result[i - 1]) - 1)] + [1])
    return result