practice_4（水仙花数、三色球）

for i in range(100,1000):
    temp = list(str(i))
    a = temp[0]
    b = temp[1]
    c = temp[2]
    if a ** 3 + b ** 3 + c ** 3 == i:
        print(i)

---------------------------------------------------------------------------

TypeError                                 Traceback (most recent call last)

<ipython-input-1-139bf658b635> in <module>

      4     b = temp[1]

      5     c = temp[2]

----> 6     if a ** 3 + b ** 3 + c ** 3 == i:

      7         print(i)

TypeError: unsupported operand type(s) for ** or pow(): 'str' and 'int'

for red in range(0,4):
    for yellow in range(0,4):
        for green in range(2,7):
            if red + yellow + green == 8:
                print("red:{}".format(red))
                print("yellow:{}".format(yellow))
                print("green:{}".format(green))
                print("-" * 10)

red:0

yellow:2

green:6

----------

red:0

yellow:3

green:5

----------

red:1

yellow:1

green:6

----------

red:1

yellow:2

green:5

----------

red:1

yellow:3

green:4

----------

red:2

yellow:0

green:6

----------

red:2

yellow:1

green:5

----------

red:2

yellow:2

green:4

----------

red:2

yellow:3

green:3

----------

red:3

yellow:0

green:5

----------

red:3

yellow:1

green:4

----------

red:3

yellow:2

green:3

----------

red:3

yellow:3

green:2

----------