99乘法表

i = 1
while i<=9:
  j = 1
  while j<=i:
    print ("%d*%d=%-2d "%(j,i,j*i),end="")
    j+=1
  print("")
  i+=1
'''for i in range(1,10):
    for j in  range (1 ,i+1):
        print("{}*{}={:2}".format(j,i,i*j),end="")
        print('')'''