python 水仙花数、菱形、99乘法表、直角三角形

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