摘要：for i in range(1,10): for j in range(1,i+1): print('%d x %d = %d\t' %(j, i, j*i),end="") print('\n') 阅读全文

摘要：while 1: s = input('请输入一个数：') s = int(s) if s == 2: print('质数') else: if s == 0 or s == 1: print('都不是') else: u = s - 2 h = 1 ... 阅读全文

摘要：while 1: s = input('请填入一个年份：') s = int(s) year = False if s % 100 == 0 and s % 400 == 0: year = True elif s % 100 != 0 and s % 4 == 0: year = True if... 阅读全文

摘要：a = 50 y = '*'*(a+1) p = ' ' while a: print(y) y = y[:a-1] y = p + y a = a - 1 for i in range(20): print(' ' * (20-i-1) + '*' * (2*i+1) ) a = 20 p = ' '*(a+1... 阅读全文