Python

s = “I love Python”

ls = s.split()

ls.reverse()

print(ls)

frame = [[1,2,3],[4,5,6],[7,8,9]]
rgb = frame[::-1]
print(rgb)

weekstr = “星期一星期二星期三星期四星期五星期六星期日”

weekid = 3

print(weekstr[weekid3: weekid3+3])

name = “Python语言程序设计”

print(name[2: –2])

ss = list(set(“jzzszyj”))

ss.sort()

print(ss)

d = {“zhang”:“China”, “Jone”:“America”, “Natan”:“Japan”}
for k in d:
print(k, end="")

ls = [“2020”, “20.20”, “Python”]

ls.append(2020)

ls.append([2020, “2020”])print(ls)