python单选

d={"大海":“蓝色”,"天空”:“灰色”, “大地”:“黑色”}

print(d["大地"],d.get("大地","黄色"))

s =[“seashell”,“gold”,“pink”,“brown”,“purple”,“tomato”]

print(s[1:4:2])

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

print(len(ls))

ls = [“2020”, “20.20”, “Python”]

ls.append(2020)

ls.append([2020, “2020”])

print(ls)

lcat =[“狮子”,“猎豹”,“虎猫”,“花豹”,“孟加拉虎”,“美洲豹”,“雪豹”]

for s in lcat:

      if “豹” not in s:

            print(s,end="")

            continue

a= [“a”,“b”,“c”]

b= a[::-1]

print(b)

x=[90,87,93]

y=["zhang", "wang","zhao"]

print(list(zip(y,x)))

ls =list(“the sky is blue”)

a= ls.index(‘s’,5,10)

print(a)

d= {“zhang”:“China”, “Jone”:“America”, “Natan”:“Japan”}

for k in d:

      print(k, end="")

ss = list(set(“jzzszyj”))

ss.sort()

print(ss)

a= [5,1,3,4]

print(sorted(a,reverse = True))

theCopy = kvps

kvps['1'] = 5

sum = kvps['1'] + theCopy['1']

print(sum)