d={"大海":"蓝色", "天空":"灰色", "大地":"黑色"}

print(d["大地"], d.get("大地", "黄色"))

a = [[1,2,3], [4,5,6], [7,8,9]]

s = 0

for c in a:

    for j in range(3):

        s += c[j]

print(s)

ls[2][-1][1]的运行结果是

def Sum(a, b=3, c=5):

    return sum([a, b, c])

print(Sum(a=8, c=2))

print(Sum(8))

print(Sum(8,2))

def Sum(*p):

    return sum(p)

print(Sum(3, 5, 8))

print(Sum(8))

print(Sum(8, 2, 10))

def f(x):

    if x<0 or x>=20:

        print(0)

    elif 0<=x<5:

        print(x)

    elif 5<=x<10:

        print(3*x-5)

    elif 10<=x<20:

        print(0.5*x-2)

f(10)

f(15)

f(8)

s = 0

for i in range(1,101):

    s += i

else:

print(1)

s = 0

for i in range(1,101):

    s += i

    if i == 50:

        print(s)

        break

else:

print(1)

dictMenu = {'香蕉': 8, '桃子': 5, '抹茶蛋糕': 28, }

sum = 0

for i in dictMenu.values():

    sum += i

print(sum)

vlist = list(range(5))

print(vlist)

for s in "abc":

   for i in range(3):

      print (s,end="")

      if s=="c":

          break

ls1 = [1,2,3,4,5]

ls2 = [3,4,5,6,7,8]

cha1 = []

for i in ls2:

    if i not in ls1:

        cha1.append(i)

print(cha1)