Added python program for tip calculator - Tipcalculator.py

Program's_Contributed_By_Contributors/Python_Programs/Tipcalculator.py

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+# Function to calculate the tip
+def tip_calc(tip_perc, bill):
+    return tip_perc * bill / 100
+
+# Function to execute the tip calculation logic
+def calculate_tip():
+    try:
+        tip_percentage = float(input("Enter the tip percentage: "))
+        bill_amount = float(input("Enter the amount of the bill: "))
+
+        if tip_percentage < 0 or bill_amount < 0:
+            raise ValueError("Please enter positive values.")
+
+        tip_amount = tip_calc(tip_percentage, bill_amount)
+        total_amount = bill_amount + tip_amount
+
+        # Display the results using descriptive sentences without formatting
+        print("The calculated tip is: " + str(tip_amount) + " rupees.")
+        print("The total amount to be paid, including the tip, is: " + str(total_amount) + " rupees.")
+    except ValueError as e:
+        print("Input Error: " + str(e))
+
+# Start the tip calculation process
+calculate_tip()
+
+
+