九九乘法表(含正版和倒版)

#正版
for i in range(1, 10):
    for j in range(1, i+1):
        print(i, '*', j, '=', i * j, '	', end='')  #end=''作用是阻止print的默认换行功能
    print()  #只需要print的默认换行功能，所以里面不需要输出什么实质性的内容
'''
1 * 1 = 1     
2 * 1 = 2     2 * 2 = 4     
3 * 1 = 3     3 * 2 = 6     3 * 3 = 9     
4 * 1 = 4     4 * 2 = 8     4 * 3 = 12     4 * 4 = 16     
5 * 1 = 5     5 * 2 = 10     5 * 3 = 15     5 * 4 = 20     5 * 5 = 25     
6 * 1 = 6     6 * 2 = 12     6 * 3 = 18     6 * 4 = 24     6 * 5 = 30     6 * 6 = 36     
7 * 1 = 7     7 * 2 = 14     7 * 3 = 21     7 * 4 = 28     7 * 5 = 35     7 * 6 = 42     7 * 7 = 49     
8 * 1 = 8     8 * 2 = 16     8 * 3 = 24     8 * 4 = 32     8 * 5 = 40     8 * 6 = 48     8 * 7 = 56     8 * 8 = 64     
9 * 1 = 9     9 * 2 = 18     9 * 3 = 27     9 * 4 = 36     9 * 5 = 45     9 * 6 = 54     9 * 7 = 63     9 * 8 = 72     9 * 9 = 81 
'''

#倒版
for i in range(1, 10):
    for j in range(i, 10):
        print(i, '*', j, '=', i * j, '	', end='')   #end=''作用是阻止print的默认换行功能
    print()  #只需要print的默认换行功能，所以里面不需要输出什么实质性的内容
'''
1 * 1 = 1     1 * 2 = 2     1 * 3 = 3     1 * 4 = 4     1 * 5 = 5     1 * 6 = 6     1 * 7 = 7     1 * 8 = 8     1 * 9 = 9     
2 * 2 = 4     2 * 3 = 6     2 * 4 = 8     2 * 5 = 10     2 * 6 = 12     2 * 7 = 14     2 * 8 = 16     2 * 9 = 18     
3 * 3 = 9     3 * 4 = 12     3 * 5 = 15     3 * 6 = 18     3 * 7 = 21     3 * 8 = 24     3 * 9 = 27     
4 * 4 = 16     4 * 5 = 20     4 * 6 = 24     4 * 7 = 28     4 * 8 = 32     4 * 9 = 36     
5 * 5 = 25     5 * 6 = 30     5 * 7 = 35     5 * 8 = 40     5 * 9 = 45     
6 * 6 = 36     6 * 7 = 42     6 * 8 = 48     6 * 9 = 54     
7 * 7 = 49     7 * 8 = 56     7 * 9 = 63     
8 * 8 = 64     8 * 9 = 72     
9 * 9 = 81 
'''