added function for cluster sentences and connected main to the placeholder functions

Author: Chloe White

text_sum/text_summarizer.py

@@ -15,3 +15,18 @@ def score_sentences(sentences):
     print("Scoring sentences (placeholder)")
     scores = {s: 1 for s in sentences}
     return scores
+
+# text_summarizer.py (continued)
+def cluster_sentences(sentences):
+    print("Clustering sentences (placeholder)")
+    return sentences
+
+def main():
+    print("Welcome to the Text Summarizer App")
+    text = input("Enter your text to summarize: ")
+    
+    sentences = extract_sentences(text)
+    scores = score_sentences(sentences)
+    clustered = cluster_sentences(sentences)
+    
+    print("Summary (placeholder):", clustered)