""" 井字棋（三子棋） 双人对战 Tic-Tac-Toe: Two Player Console Version """ class TicTacToe: def __init__(self): self.board = [' ' for _ in range(9)]
""" 质数判断 + 输出 100 以内所有质数 """ for i in range(2, 100): for j in range(2, i): if i % j == 0: break else: print(i) 下面我
""" 最大公约数 GCD、最小公倍数 LCM """ def gcd(a, b): if b == 0: return a else: return gcd(b, a % b) def lcm(a, b): return a * b / g
