Can you please help me rewrite this code using while loop and traditional for loop

#include <iostream>
#include <string>
Using namespace std;

void changeToX ( )
{
string s;
//prompt the user to enter the string
cout<<"Enter the string you would like to change to X"<<endl;
getline (cin, s);
for (char &c : s)
c = 'X';
cout <<s <<endl;
}

int main ( )
{
changeToX ( );
}

@lordZouga, @whizTim @kudaisi @segbolon

Again, help me with the solution to this problem

Write a program that reads a string of characters including punctuation and writes what was read but with the punctuation removed.
Thank you

// CPP program to remove punctuation from a given string


#include <iostream>

using namespace std;



int main()
{

// input string

std::string str = "Welcome@@##$ to#$% Code%$^Kobo$%^&.COM";



for (int i = 0, len = str.size(); i < len; i++)

{

// check whether parsing character is punctuation or not

if (ispunct(str[i]))

{

str.erase(i--, 1);

len = str.size();

}

}



// print string without punctuation

std::cout << str;

return 0;
}


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Thanks @codekobo. Chukwu gozie gi

I think not sure, if a method is going to ask for input, as in 'Cin', then the method name should reflect that input as in ' changeToX(String S)'.