使用while循環
i = 1
j = 1
while i <= 9:
j = 1
while j <= i:
print(j,"*",i,"=",i*j,end=" ")
j += 1
i += 1
print()
使用for循環
for i in range(1,10,1):
for j in range(1,i+1,1):
print(j,"*",i,"=",i*j,end=" ")
print()