python将字符串 转换成字典

a = "k:1|k1:2|k2:3|k3:4"
b = a.split("|")   # 切片
c =dict()
for i in b:
    d = i.split(":")   #  切片
    c[d[0]] = int(d[1])    # 将“数字”变为数字
print(c)

# 结果：{“k”:1,”k1”:2,”k2”:3,”k3”:4}