代码
for i in range(1,10):
s=" "
for j in range(1,10):
if (i < j):
s += " "
else:
s += str.format("{0:1}*{1:1}={2:<3}",i,j,i*j)
print(s)
for i in range(1,10):
s=" "
for j in range(1,10):
if (i > j):
s += " "
else:
s += str.format("{0:1}*{1:1}={2:<3}",i,j,i*j)
print(s)