下面通过一段代码给大家简介python使用for 循环实现九九乘法表,详细代码如下所示:


#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)


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