The solution of first lab in python

Bonus_solution.py

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+sentence ="Welcome to the world of programming, where creativity meets logic"
+word="Welcome"
+
+#Print the length of the sentence.
+print("The length of the sentence:" ,len(sentence))
+
+#Print the index of the first occurrence of the word in the sentence.
+print("Index of the first occurrence of the word:",sentence[0])
+
+#Print the number of times the word appears in the sentence.
+print("Number of times the word appears:", sentence.count(word))
+
+#Print the sentence in all uppercase letters.
+print("The sentence in uppercase:", sentence.upper())
+
+#Print the sentence in all lowercase letters.
+print("The sentence in lowercase: ",sentence.lower())
+
+# Replace the word in the sentence with a new word of your choice
+the_new_word=sentence.replace("programming","coding")
+print("the word in the sentence with a new word:",the_new_word)
+
+#Print the last character of the sentence.
+print("the last character of the sentence:",sentence[-1])
+
+

Lab_ٍsolution.py

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+price = 2.99
+
+quantity= 3
+
+tax_rate = 15
+
+subtotal= price * quantity
+
+tax= round(subtotal * (tax_rate/100),2)
+
+total= subtotal + tax
+
+print(f"Price of item: ${price}")
+print(f"Quantity: {quantity}")
+print(f"Tax rate: {tax_rate}%")
+
+#Print the subtotal, tax, and total costs, formatted as currency.
+print(f"Subtotal: ${subtotal}")
+print(f"Tax: ${tax}")
+print(f"Total: ${total}")