# 打印一行
for i in range(1, 5 + 1):
print('{0}*{1}={2}'.format(5, i, 5*i), end='\t')


# 打印九九乘法表(即多行)
for i in range(1, 10):
for a in range(1, i + 1):
print('{0}*{1}={2}'.format(i, a, i*a), end='\t')
print()