Create sequences_afra_inanc.py

Author: afrainanc

Week03/sequences_afra_inanc.py

@@ -0,0 +1,22 @@
+def remove_duplicates(seq: list) -> list:
+    new_list = []
+    for i in seq:              
+        if i not in new_list:  
+            new_list.append(i) 
+    return new_list
+
+def list_counts(seq: list) -> dict:
+    result = {}             
+    for i in seq:           
+        if i in result:     
+            result[i] = result[i] + 1
+        else:               
+            result[i] = 1
+    return result           
+
+def reverse_dict(d: dict) -> dict:
+    reversed_d = {}
+    for k in d:
+        value = d[k]
+        reversed_d[value] = k
+    return reversed_d