How can we print the repeated letters in a string using python programming?

 How can we print the repeated letters in a string using python programming?

Solution -

string = "Great how are you";  

for i in range(0, len(string)):  

    count = 1;  

    for j in range(i+1, len(string)):  

        if(string[i] == string[j] and string[i] != ' '):  

            count = count + 1;  

            string = string[:j] + '0' + string[j+1:];  

    if(count > 1 and string[i] != '0'):  

        print(string[i]);  

Output -     

r

e

a

o