python 讀取TXT文檔內容 轉換為字典

with open("yester.txt","r",encoding="utf-8") as f:
    user_dict={}
    for userline in f:
    userline=str(userline).replace('\n','')
    user_dict[userline.split(' ',1)[0]]=userline.split(' ',1)[1]


txt文件：
a ah
a ey
cat k ae t
of ah v
peck p eh k
peppers p eh p er z
peter p iy t er
picked p ih k t
pickled p ih k ah l d
piper p ay p er
the dh ah
the dh iy