python制作

# 九九乘法表

for i in range(1, 10):

　　 for j in range(1, i+1):

　　　　print('{}x{}={} '.format(j, i, i*j), end='')

　　 print()

#三角形

for i in range(10):
    for j in range(0,i):
        print("-",end=" ")

    for j in range(i,10):
        print("$", end=" ")

    print("")

print("-------------------------")

for i in range(10):
    for j in range(0, 10 - i):
        print("-", end=" ")
    for k in range(10 - i, 10):
        print("$", end=" ")

    print("")

打印上三角，只需要将"－"去掉

for i in range(10):
    for j in range(0, 10 - i):
        print(end=" ")
    for k in range(10 - i, 10):
        print("$", end=" ")

    print("")

打印倒三角，只需要将"－",去掉

for i in range(10):
    for j in range(0,i):
        print(end=" ")

    for j in range(i,10):
        print("$", end=" ")

    print("")