#for 循环实现99乘法表 for i in range (1,10): for j in range (1,i+1): print("{}*{} = {:<4}".format(i,j,i*j),end = " ") print("") print('第1种'+"-"*96) for i in range (9,0,-1): for j in range (1,i+1): print("{}*{} = {:<4}".format(i, j, i * j), end=" ") print("") print('第2种'+"-"*96) for i in range (1,10): for k in range (1,i): print(end = " ") for j in range (i,10): print("{}*{} = {:<4}".format(i,j,i*j),end = " ") print("") print('第3种'+"-"*96) for i in range (9,0,-1): for k in range (1,i): print(end = " ") for j in range (i,10): print("{}*{} = {:<4}".format(i,j,i*j),end = " ") print("") print('第4种'+"-"*96) for i in range (1,10): for j in range (1,10): print("%d*%d=%2d" % (i,j,i*j),end = " ") print("") print('第5种'+"-"*96) for i in range (1,10): for j in range (i,10): print("%d*%d=%2d" % (i,j,i*j),end = " ") print("") print('第6种'+"-"*96) for i in range (9,0,-1): for j in range (1,i+1): print("%d*%d=%2d" % (i,j,i*j),end = " ") print("") print('第7种'+"-"*96) for i in range (1,10): for k in range (1,i): print(end = " ") for j in range (i,10): print("%d*%d=%2d" % (i, j, i * j), end=" ") print("") print('第8种'+"-"*96) for i in range (1,10): for k in range (1,10-i): print(end = " ") for j in range (i,0,-1): print("%d*%d=%2d" % (i, j, i * j), end=" ") print("") print('第9种'+"-"*96)
实现效果： 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 第1种------------------------------------------------------------------------------------------------ 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 8*1 = 8 8*2 = 16 8*3 = 24 8*4 = 32 8*5 = 40 8*6 = 48 8*7 = 56 8*8 = 64 7*1 = 7 7*2 = 14 7*3 = 21 7*4 = 28 7*5 = 35 7*6 = 42 7*7 = 49 6*1 = 6 6*2 = 12 6*3 = 18 6*4 = 24 6*5 = 30 6*6 = 36 5*1 = 5 5*2 = 10 5*3 = 15 5*4 = 20 5*5 = 25 4*1 = 4 4*2 = 8 4*3 = 12 4*4 = 16 3*1 = 3 3*2 = 6 3*3 = 9 2*1 = 2 2*2 = 4 1*1 = 1 第2种------------------------------------------------------------------------------------------------ 1*1 = 1 1*2 = 2 1*3 = 3 1*4 = 4 1*5 = 5 1*6 = 6 1*7 = 7 1*8 = 8 1*9 = 9 2*2 = 4 2*3 = 6 2*4 = 8 2*5 = 10 2*6 = 12 2*7 = 14 2*8 = 16 2*9 = 18 3*3 = 9 3*4 = 12 3*5 = 15 3*6 = 18 3*7 = 21 3*8 = 24 3*9 = 27 4*4 = 16 4*5 = 20 4*6 = 24 4*7 = 28 4*8 = 32 4*9 = 36 5*5 = 25 5*6 = 30 5*7 = 35 5*8 = 40 5*9 = 45 6*6 = 36 6*7 = 42 6*8 = 48 6*9 = 54 7*7 = 49 7*8 = 56 7*9 = 63 8*8 = 64 8*9 = 72 9*9 = 81 第3种------------------------------------------------------------------------------------------------ 9*9 = 81 8*8 = 64 8*9 = 72 7*7 = 49 7*8 = 56 7*9 = 63 6*6 = 36 6*7 = 42 6*8 = 48 6*9 = 54 5*5 = 25 5*6 = 30 5*7 = 35 5*8 = 40 5*9 = 45 4*4 = 16 4*5 = 20 4*6 = 24 4*7 = 28 4*8 = 32 4*9 = 36 3*3 = 9 3*4 = 12 3*5 = 15 3*6 = 18 3*7 = 21 3*8 = 24 3*9 = 27 2*2 = 4 2*3 = 6 2*4 = 8 2*5 = 10 2*6 = 12 2*7 = 14 2*8 = 16 2*9 = 18 1*1 = 1 1*2 = 2 1*3 = 3 1*4 = 4 1*5 = 5 1*6 = 6 1*7 = 7 1*8 = 8 1*9 = 9 第4种------------------------------------------------------------------------------------------------ 1*1= 1 1*2= 2 1*3= 3 1*4= 4 1*5= 5 1*6= 6 1*7= 7 1*8= 8 1*9= 9 2*1= 2 2*2= 4 2*3= 6 2*4= 8 2*5=10 2*6=12 2*7=14 2*8=16 2*9=18 3*1= 3 3*2= 6 3*3= 9 3*4=12 3*5=15 3*6=18 3*7=21 3*8=24 3*9=27 4*1= 4 4*2= 8 4*3=12 4*4=16 4*5=20 4*6=24 4*7=28 4*8=32 4*9=36 5*1= 5 5*2=10 5*3=15 5*4=20 5*5=25 5*6=30 5*7=35 5*8=40 5*9=45 6*1= 6 6*2=12 6*3=18 6*4=24 6*5=30 6*6=36 6*7=42 6*8=48 6*9=54 7*1= 7 7*2=14 7*3=21 7*4=28 7*5=35 7*6=42 7*7=49 7*8=56 7*9=63 8*1= 8 8*2=16 8*3=24 8*4=32 8*5=40 8*6=48 8*7=56 8*8=64 8*9=72 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 第5种------------------------------------------------------------------------------------------------ 1*1= 1 1*2= 2 1*3= 3 1*4= 4 1*5= 5 1*6= 6 1*7= 7 1*8= 8 1*9= 9 2*2= 4 2*3= 6 2*4= 8 2*5=10 2*6=12 2*7=14 2*8=16 2*9=18 3*3= 9 3*4=12 3*5=15 3*6=18 3*7=21 3*8=24 3*9=27 4*4=16 4*5=20 4*6=24 4*7=28 4*8=32 4*9=36 5*5=25 5*6=30 5*7=35 5*8=40 5*9=45 6*6=36 6*7=42 6*8=48 6*9=54 7*7=49 7*8=56 7*9=63 8*8=64 8*9=72 9*9=81 第6种------------------------------------------------------------------------------------------------ 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 8*1= 8 8*2=16 8*3=24 8*4=32 8*5=40 8*6=48 8*7=56 8*8=64 7*1= 7 7*2=14 7*3=21 7*4=28 7*5=35 7*6=42 7*7=49 6*1= 6 6*2=12 6*3=18 6*4=24 6*5=30 6*6=36 5*1= 5 5*2=10 5*3=15 5*4=20 5*5=25 4*1= 4 4*2= 8 4*3=12 4*4=16 3*1= 3 3*2= 6 3*3= 9 2*1= 2 2*2= 4 1*1= 1 第7种------------------------------------------------------------------------------------------------ 1*1= 1 1*2= 2 1*3= 3 1*4= 4 1*5= 5 1*6= 6 1*7= 7 1*8= 8 1*9= 9 2*2= 4 2*3= 6 2*4= 8 2*5=10 2*6=12 2*7=14 2*8=16 2*9=18 3*3= 9 3*4=12 3*5=15 3*6=18 3*7=21 3*8=24 3*9=27 4*4=16 4*5=20 4*6=24 4*7=28 4*8=32 4*9=36 5*5=25 5*6=30 5*7=35 5*8=40 5*9=45 6*6=36 6*7=42 6*8=48 6*9=54 7*7=49 7*8=56 7*9=63 8*8=64 8*9=72 9*9=81 第8种------------------------------------------------------------------------------------------------ 1*1= 1 2*2= 4 2*1= 2 3*3= 9 3*2= 6 3*1= 3 4*4=16 4*3=12 4*2= 8 4*1= 4 5*5=25 5*4=20 5*3=15 5*2=10 5*1= 5 6*6=36 6*5=30 6*4=24 6*3=18 6*2=12 6*1= 6 7*7=49 7*6=42 7*5=35 7*4=28 7*3=21 7*2=14 7*1= 7 8*8=64 8*7=56 8*6=48 8*5=40 8*4=32 8*3=24 8*2=16 8*1= 8 9*9=81 9*8=72 9*7=63 9*6=54 9*5=45 9*4=36 9*3=27 9*2=18 9*1= 9 第9种------------------------------------------------------------------------------------------------ Process finished with exit code 0