空心菱形

i = 1

while i <= 3:           # 控制行数

    j = 1

    k = 1

    while j <= 3-i:     # 控制空格数量

        print(" ", end="")

        j = j + 1

    while k <= 2*i-1:

        if k==1 or k==2*i-1:

            print("*", end="")

        else:

            print(" ",end="")

        k = k + 1

    print()

    i = i + 1

i = 1

while i <= 2:           # 控制行数

    j = 1

    k = 1

    while j <= i:     # 控制空格数量

        print(" ", end="")

        j = j + 1

    while k <= 5-i*2:

        if k==1 or k== 5-i*2:

            print("*", end="")

        else:

            print(" ",end="")

        k = k + 1

    print()

    i = i + 1

#水仙花数
i = 100

while i < 1000:

    a = i // 100                             #求百位数

    b = (i - a * 100) // 10                   #求十位数

    c = i % 10                               #求个位数

    #print(c)

    if a ** 3 + b ** 3 + c ** 3 == i:

        print(i,'是水仙花数')

    i += 1

# 菱形绘制

i = 1

while i <= 3:           # 控制行数

    j = 1

    k = 1

    while j <= 3-i:     # 控制空格数量

        print(" ", end="")

        j = j + 1

    while k <= 2*i-1:

        print("*", end="")

        k = k + 1

    print()

    i = i + 1

i = 1

while i <= 2:           # 控制行数

    j = 1

    k = 1

    while j <= i:     # 控制空格数量

        print(" ", end="")

        j = j + 1

    while k <= 5-i*2:

        print("*", end="")

        k = k + 1

    print()

    i = i + 1

#99乘法表

i = 1

while i <= 9:

    j = 1

    while(j <= i):    # j的大小是由i来控制的

        print('%s*%s=%-3s' % (i, j, i*j), end='\t')

        j += 1

    print("")

    i += 1

#直角三角形

i =1

while i<=4:

    print("*"*i)

    i=i+1

o=0

while o<=4:

    print("")

    o=o+1

    i=0

    while i<o:

        print("*",end="")

        i=i+1