Why is it not working?

Question

x= input()
d={"0":"zero","1":"one","2":"two","3":"three","4":"four","5":"five","6":"six","7":"seven","8":"eight","9":"nine"}
for i in x:
if i.isdigit():
c=d[i]
x.replace(i,c)
print (x)

Answer 1

The .replace() doesn't change the original variable. So you can assign it to a new variable or same:

https://code.sololearn.com/ccGd0Kh81e5X/?ref=app

Answer 2

PythonPip good

Answer 3

Yes
I got it .
This should be like this
X=x.replace(str(i),d[i])