li = [11,22,33,44,55,66,77,88,90,99]dic = {}l_high = []  # 大于66的所有值列表l_low = []   # 小于66的所有值列表 for i in li:if i == 66:continueif i > 66:l_high.append(i)else:l_low.append(i) dic['k1'] = l_highdic['k2'] = l_low print(dic)  # 输出{'k2': [11, 22, 33, 44, 55], 'k1': [77, 88, 90, 99]}

flag = Truewhile flag:    li = ["手机", "电脑", "鼠标垫", "游艇"]    for i in li:        print(f"{li.index(i)+1}\t{li[i]}")    choice = input('请输入选择的商品序号/输入Q或者q退出程序：')    if choice.isdigit():        choice = int(choice)        if 1 <= choice <= len(li):            print(li[choice-1])        else:            print('请输入有效数字')    elif choice.upper() == 'Q':        flag = False    else:        print('请输入数字')

s = 'alex's1 = b'alex'print(s, type(s))print(s1, type(s1)) s2 = '中国's22 = s2.encode('utf-8')print(s22)s22 = s2.encode('gbk')print(s22)