代码

dict1 = {}
dict2 = {'x':1, 'y':2}
#为字典增加内容
dict2['z'] = 3
print(dict2)

运行

课堂联系

优化之前的生肖代码

chinese_zodiac = '猴鸡狗猪鼠牛虎兔龙蛇马羊'
zodiac_name = (u'摩羯座', u'水瓶座', u'双鱼座', u'白羊座', u'金牛座', u'双子座',
           u'巨蟹座', u'狮子座', u'处女座', u'天秤座', u'天蝎座', u'射手座')
zodiac_days = ((1, 20), (2, 19), (3, 21), (4, 21), (5, 21), (6, 22),
              (7, 23), (8, 23), (9, 23), (10, 23), (11, 23), (12, 23))

cz_num = {}
for i in chinese_zodiac:
    cz_num[i] = 0


z_num = {}
for i in zodiac_name:
    z_num[i] = 0

while True:
    # 用户输入月份和日期
    year = int(input('请输入年份：'))
    int_month = int(input('请输入月份：'))
    int_day = int(input('请输入日期：'))

    n=0
    while zodiac_days[n] < (int_month, int_day):
        if int_month == 12 and int_day > 23:
            break
        n += 1
    #输出生肖和星座
    print(zodiac_name[n])
    print('%s 年的生肖是 %s' %(year, chinese_zodiac[year % 12]))

    cz_num[chinese_zodiac[year % 12]] += 1
    z_num[zodiac_name[n]] += 1

    #输出生肖和星座的统计信息
    for each_key in cz_num.keys():
        print('生肖 %s 有 %d 个'%(each_key, cz_num[each_key]))

    for each_key in z_num.keys():
        print('星座 %s 有 %d 个' %(each_key,z_num[each_key]))

运行

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