java put a char array into a string
char[] arr = { 'p'," ",'q', 'r', 's' };
      String str = String.valueOf(arr);
      System.out.println(str);//"p qrs"
                                
                            java put a char array into a string
char[] arr = { 'p'," ",'q', 'r', 's' };
      String str = String.valueOf(arr);
      System.out.println(str);//"p qrs"
                                
                            python replace char in string
# Python3 program to demonstrate the  
# use of replace() method   
  
string = "geeks for geeks geeks geeks geeks" 
   
# Prints the string by replacing geeks by Geeks  
print(string.replace("geeks", "Geeks"))  
  
# Prints the string by replacing only 3 occurrence of Geeks   
print(string.replace("geeks", "GeeksforGeeks", 3))
                                
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