removing characters in a string python code example

Example 1: delete certain characters from a string python

for char in line:
    if char in " ?.!/;:":
        line.replace(char,'')

Example 2: remove from string python

"Str*ing With Chars I! don't want".replace('!','').replace('*','')

Example 3: 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 4: how to delete specific char in string python

a_string = a_string.replace("d", "")

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