Print only duplicate character in string - Python & Java

using lambda in java

public class etst {

    public static void main(String[] args) {


        String text = "ramanrayat";

        HashMap<Character,Integer> hm = new HashMap<>();

        for(Character c: text.toCharArray()){
            if(!hm.containsKey(c)){
                hm.put(c,1);
            }else{
                hm.put(c,hm.get(c)+1);
            }
        }
        hm.forEach((a,b)-> {if(b>1) System.out.println(a+""+b);});
        
    }
}

Java

import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

public class test123 {


public static void main(String[] args) {
String text = "raman rayat";
HashMap<Character, Integer> hm = new HashMap<>();
for(int i = 0;i<text.length();i++){
if(!hm.containsKey(text.charAt(i)))
{
if((text.charAt(i)!=' ')){
hm.put(text.charAt(i),1);
}
}else{
hm.put(text.charAt(i),hm.get(text.charAt(i))+1);
}
}

for(Map.Entry<Character,Integer> item: hm.entrySet()){
char key =item.getKey();
int value = item.getValue();

if(value>1){
System.out.println(key+","+value);
}

}

Python

a = "ramanrayat"
d = {}
for i in range(len(a)):
if(a[i] not in d):
d[a[i]]=1
else:
d[a[i]]=d[a[i]]+1

for i in d:
if d[i]>1:
print(i)