How to find multiple characters and replace mulitple characters using python3 ?

```
string = "us/i5/v"
l=[]
for i in string:
   if i == "u" :
       i = i.replace("u","w")
       l.append(i)
   if i == "s" :
      i = i.replace("s","5")
      l.append(i)
  if i == "i" :
      i = i.replace("i","1")
      l.append(i)
print(l)

```

> 
> Expected Output:
> 
> 
> 

```
w5/15/v

```