方法一
#Author:nhm
for i in range(1,10):
for j in range(1,i+1):
print(i,'*',j,'=',i*j,"\t",end="")
print("")
方法二
#Author:nhm
for i in range(1,10):
for j in range(1,i+1):
print('{}*{}={}\t'.format(i,j,i*j,),end="")
print("")
