dictionary file added

Author: sijantech

Question set - 4

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+1. Write a Python script to print a dictionary where the keys are numbers between 1 and 15 (both included) and the values are square of keys.
+
+2.Write a Python program to combine values in python list of dictionaries.
+
+Sample data: [{'item': 'item1', 'amount': 400}, {'item': 'item2', 'amount': 300}, {'item': 'item1', 'amount': 750}]
+Expected Output: Counter({'item1': 1150, 'item2': 300})
+
+
+3. Write a Python program to create a dictionary from a string. 
+NOTE: Track the count of the letters from the string.
+
+4.  Write a Python function that checks whether a passed string is palindrome or not.
+
+e.g., madam