How To Add Double Quotes To The Dictionary?

It is necessary to add double quotes for the key and value in the dictionary. I tried to do it with regular expressions, but I’m not good at it ( The dictionary can be of two typ

Solution 1:

import re
nn="{x: 2, y: 1, z: -3, b: 1}"

nn2="{x: 226/185, y: 9/37, z: -409/185, b: 133/185}"
dict_str = lambda data : re.sub(r'(\w+):\s*(-?\d[\d/.]*)',r'"\1": "\2"',data)
for i in [nn,nn2] :
    var1=dict_str(i)
    print(var1)
    # if you want an actual dictionary from var1 you can uncomment the lines  below
    #var2 = var1.replace('{','').replace('}','').replace('"','')
    #var3 ={ j.split(':')[0] : j.split(':')[1] for j in [ k for k in 
        #var1.split(',') ] }
    #print(var3)