function printDuplicateCharacters(str) {
// Step 1: Initialize an empty object to store character counts
let charCount = {};
// Step 2: Iterate through the string to count each character
for (let i = 0; i < str.length; i++) {
let char = str[i];
if (charCount[char]) {
charCount[char]++;
} else {
charCount[char] = 1;
}
}
// Step 3: Find and print characters with a count greater than one
for (let char in charCount) {
if (charCount[char] > 1) {
console.log(char + ": " + charCount[char]);
}
}
}
// Example usage
let inputString = "programming";
printDuplicateCharacters(inputString);
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