added hash map

Python/Data Structures/Hashmap/HashTable.py

@@ -0,0 +1,54 @@
+class HashTable:
+    def __init__(self, size):
+        self.size = size
+        self.hash_table = self.create_buckets()
+
+    def create_buckets(self):
+        return [[] for _ in range(self.size)]
+    def set_val(self, key, val):
+        hashed_key = hash(key) % self.size
+        bucket = self.hash_table[hashed_key]
+
+        found_key = False
+        for index, record in enumerate(bucket):
+            record_key, record_val = record
+            if record_key == key:
+                found_key = True
+                break
+        if found_key:
+            bucket[index] = (key, val)
+        else:
+            bucket.append((key, val))
+
+    def get_val(self, key):
+        hashed_key = hash(key) % self.size
+        bucket = self.hash_table[hashed_key]
+
+        found_key = False
+        for _, record in enumerate(bucket):
+            record_key, record_val = record
+            if record_key == key:
+                found_key = True
+                break
+
+        if found_key:
+            return record_val
+        else:
+            return "No record found"
+
+    def delete_val(self, key):
+
+        hashed_key = hash(key) % self.size
+        bucket = self.hash_table[hashed_key]
+
+        found_key = False
+        for index, record in enumerate(bucket):
+            record_key, _ = record
+            if record_key == key:
+                found_key = True
+                break
+        if found_key:
+            bucket.pop(index)
+        return
+    def __str__(self):
+        return "".join(str(item) for item in self.hash_table)