how to remove characters in print python code example

Example 1: how to remove letters from string

public extractLetters(String str){
	String result="";
	for(int i= 0; i< str.length; i++){
	    if(Character.isLetter(str.charAt(i))){
	    result+=str.charAt(i);
	  	}
	}

Example 2: python trim certain characters from string

string = '  xoxo love xoxo   '

# Leading and trailing whitespaces are removed
print(string.strip())

# All <whitespace>,x,o,e characters in the left
# and right of string are removed
print(string.strip(' xoe'))

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