如果字符串小于x，请替换为“F.Col”

def replace_string(s, x):
    if len(s) < x:
        s = "F.Col"
    return s

s = "example"
x = 5
result = replace_string(s, x)
print(result)

public class StringReplace {
    public static String replaceString(String s, int x) {
        if (s.length() < x) {
            s = "F.Col";
        }
        return s;
    }

    public static void main(String[] args) {
        String s = "example";
        int x = 5;
        String result = replaceString(s, x);
        System.out.println(result);
    }
}

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

string replaceString(string s, int x) {
    if (s.length() < x) {
        s = "F.Col";
    }
    return s;
}

int main() {
    string s = "example";
    int x = 5;
    string result = replaceString(s, x);
    cout << result << endl;
    return 0;
}