for i in range(1, 10):
for j in range(1, i + 1):
print(j, '*', i, '=', i * j, end=" ") #end= 以。。。结尾
print()
for i in range(1, 10):
for j in range(1, i + 1):
print(j, '*', i, '=', i * j, end=" ") #end= 以。。。结尾
print()