python实现九九乘法表

print('九九乘法表：')
for x in range(1,10):
    for y in range(1,x+1):
    # for y in range(1,10):
        print(x,'*',y,"=",x*y,end='t')
    print()

print('九九乘法表倒序：')
for x in range(9,0,-1):  #987654321
    # print(x,end='')
    for y in range(1,x+1):
        print(x,'*',y,"=",x*y,end='t')
    print()

print('while实现九九乘法表:')
i = 1
while i < 10:
    j = 1
    while j < i+1:
        print(i, '*', j, '=', i * j, end='t')
        j += 1
    i += 1
    print()

print('while实现九九乘法表倒序:')
i = 9
while i >= 1:
    j = 1
    while j<=i:
        print(i, '*', j, '=', i * j, end='t')
        j += 1
    print()
    i -= 1