# 九九乘法表
y = 1
while y <= 9:
s = 1
while s <= y:
print(f'{y}*{s} ={y*s} ', end=(""))
s += 1
print()
y+=1
# 1*1 =1
# 2*1 =2 2*2 =4
# 3*1 =3 3*2 =6 3*3 =9
# 4*1 =4 4*2 =8 4*3 =12 4*4 =16
# 5*1 =5 5*2 =10 5*3 =15 5*4 =20 5*5 =25
# 6*1 =6 6*2 =12 6*3 =18 6*4 =24 6*5 =30 6*6 =36
# 7*1 =7 7*2 =14 7*3 =21 7*4 =28 7*5 =35 7*6 =42 7*7 =49
# 8*1 =8 8*2 =16 8*3 =24 8*4 =32 8*5 =40 8*6 =48 8*7 =56 8*8 =64
# 9*1 =9 9*2 =18 9*3 =27 9*4 =36 9*5 =45 9*6 =54 9*7 =63 9*8 =72 9*9 =81
for i in range(1,10):
for j in range(1,i+1):
print(f'{i}*{j}={i*j}',end="\t ") f 排列 end=" " 换行
print()
# 1*1=1
# 2*1=2 2*2=4
# 3*1=3 3*2=6 3*3=9
# 4*1=4 4*2=8 4*3=12 4*4=16
# 5*1=5 5*2=10 5*3=15 5*4=20 5*5=25
# 6*1=6 6*2=12 6*3=18 6*4=24 6*5=30 6*6=36
# 7*1=7 7*2=14 7*3=21 7*4=28 7*5=35 7*6=42 7*7=49
# 8*1=8 8*2=16 8*3=24 8*4=32 8*5=40 8*6=48 8*7=56 8*8=64
# 9*1=9 9*2=18 9*3=27 9*4=36 9*5=45 9*6=54 9*7=63 9*8=72 9*9=81