python statistical word frequency, word filtered word frequency is less than 2

word1=['比賽', '風暴', '競彩', '推薦', '客場', '風暴', '競彩','分主勝小分', '擊敗', '籃球']

a={}
word_dict={}     创建一个字典
word12=[]


for word in word1:        统计词频
     if word not in word_dict:
          word_dict[word]=1
     else:
          word_dict[word]+=1 
aaa.append(word1)         


for i in word_dict:
    if (word_dict[i]>2):
        print(i,word_dict[i])
        a[i]=word_dict[i]