diff --git a/Practical File/question_01_output.txt b/Practical File/outputs/question_01_output.txt
similarity index 100%
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diff --git a/Practical File/question_02_output.txt b/Practical File/outputs/question_02_output.txt
similarity index 100%
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diff --git a/Practical File/question_03_output.txt b/Practical File/outputs/question_03_output.txt
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diff --git a/Practical File/question_04_output.txt b/Practical File/outputs/question_04_output.txt
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diff --git a/Practical File/question_05_output.txt b/Practical File/outputs/question_05_output.txt
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diff --git a/Practical File/question_06_output.txt b/Practical File/outputs/question_06_output.txt
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diff --git a/Practical File/question_07_output.txt b/Practical File/outputs/question_07_output.txt
similarity index 100%
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diff --git a/Practical File/question_08_output.txt b/Practical File/outputs/question_08_output.txt
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diff --git a/Practical File/question_09_output.txt b/Practical File/outputs/question_09_output.txt
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diff --git a/Practical File/question_10_output.txt b/Practical File/outputs/question_10_output.txt
similarity index 100%
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diff --git a/Practical File/question_11_output.txt b/Practical File/outputs/question_11_output.txt
similarity index 100%
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diff --git a/Practical File/question_12_output.txt b/Practical File/outputs/question_12_output.txt
similarity index 100%
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diff --git a/Practical File/question_13_output.txt b/Practical File/outputs/question_13_output.txt
similarity index 100%
rename from Practical File/question_13_output.txt
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diff --git a/Practical File/question_14_output.txt b/Practical File/outputs/question_14_output.txt
similarity index 100%
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diff --git a/Practical File/question_15_output.txt b/Practical File/outputs/question_15_output.txt
similarity index 100%
rename from Practical File/question_15_output.txt
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diff --git a/Practical File/question_16_output.txt b/Practical File/outputs/question_16_output.txt
similarity index 100%
rename from Practical File/question_16_output.txt
rename to Practical File/outputs/question_16_output.txt
diff --git a/Practical File/question_17_output.txt b/Practical File/outputs/question_17_output.txt
similarity index 100%
rename from Practical File/question_17_output.txt
rename to Practical File/outputs/question_17_output.txt
diff --git a/Practical File/question_18_output.txt b/Practical File/outputs/question_18_output.txt
similarity index 100%
rename from Practical File/question_18_output.txt
rename to Practical File/outputs/question_18_output.txt
diff --git a/Practical File/question_01.py b/Practical File/questions/question_01.py
similarity index 100%
rename from Practical File/question_01.py
rename to Practical File/questions/question_01.py
diff --git a/Practical File/questions/question_01_output.txt b/Practical File/questions/question_01_output.txt
new file mode 100644
index 0000000..65cb1d5
--- /dev/null
+++ b/Practical File/questions/question_01_output.txt	
@@ -0,0 +1,13 @@
+Question 01:
+Write a Python program to accept two integers and print their sum.
+
+Answer:
+def main(int1: int, int2: int) -> int:
+    print(f"{int1} + {int2} = {int1 + int2}")
+
+if __name__ == '__main__':
+    main(2, 2)
+
+
+Output:
+2 + 2 = 4
diff --git a/Practical File/question_02.py b/Practical File/questions/question_02.py
similarity index 100%
rename from Practical File/question_02.py
rename to Practical File/questions/question_02.py
diff --git a/Practical File/questions/question_02_output.txt b/Practical File/questions/question_02_output.txt
new file mode 100644
index 0000000..34ae01f
--- /dev/null
+++ b/Practical File/questions/question_02_output.txt	
@@ -0,0 +1,14 @@
+Question 02:
+Write a Python program that accepts the radius of a circle and prints its area.
+
+Answer:
+def main(radius: int):
+    print(f"Area: {3.14 * radius * radius}")
+    # or you can do 3.13 * radius ** 2
+
+if __name__ == '__main__':
+    main(7)
+
+
+Output:
+Area: 153.86
diff --git a/Practical File/question_03.py b/Practical File/questions/question_03.py
similarity index 100%
rename from Practical File/question_03.py
rename to Practical File/questions/question_03.py
diff --git a/Practical File/questions/question_03_output.txt b/Practical File/questions/question_03_output.txt
new file mode 100644
index 0000000..391aec0
--- /dev/null
+++ b/Practical File/questions/question_03_output.txt	
@@ -0,0 +1,15 @@
+Question 03:
+Write a Python program to accept the length and width of a rectangle and compute its perimeter and area.
+
+Answer:
+def main(length: int, width: int) -> None:
+    print("Perimeter:", 2 * (length + width))
+    print("Area:", length * width)
+
+if __name__ == '__main__':
+    main(10, 10)
+
+
+Output:
+Perimeter: 40
+Area: 100
diff --git a/Practical File/question_04.py b/Practical File/questions/question_04.py
similarity index 100%
rename from Practical File/question_04.py
rename to Practical File/questions/question_04.py
diff --git a/Practical File/questions/question_04_output.txt b/Practical File/questions/question_04_output.txt
new file mode 100644
index 0000000..21fea65
--- /dev/null
+++ b/Practical File/questions/question_04_output.txt	
@@ -0,0 +1,13 @@
+Question 04:
+Write a Python program to compute simple interest for a given principal amount, time, and rate of interest.
+
+Answer:
+def main(principal: int, time: int, rate: float) -> None:
+    print(f"Simple Interest: {principal * rate * time / 100}")
+
+if __name__ == '__main__':
+    main(10000, 10, 5.0)
+
+
+Output:
+Simple Interest: 5000.0
diff --git a/Practical File/question_05.py b/Practical File/questions/question_05.py
similarity index 100%
rename from Practical File/question_05.py
rename to Practical File/questions/question_05.py
diff --git a/Practical File/questions/question_05_output.txt b/Practical File/questions/question_05_output.txt
new file mode 100644
index 0000000..a8e0387
--- /dev/null
+++ b/Practical File/questions/question_05_output.txt	
@@ -0,0 +1,15 @@
+Question 05:
+Write a Python program to find whether a given number is even or odd.
+
+Answer:
+def main(num: int) -> None:
+    print("Even" if num % 2 == 0 else "Odd")
+
+if __name__ == '__main__':
+    main(2)
+    main(3)
+
+
+Output:
+Even
+Odd
diff --git a/Practical File/question_06.py b/Practical File/questions/question_06.py
similarity index 100%
rename from Practical File/question_06.py
rename to Practical File/questions/question_06.py
diff --git a/Practical File/questions/question_06_output.txt b/Practical File/questions/question_06_output.txt
new file mode 100644
index 0000000..7d172a1
--- /dev/null
+++ b/Practical File/questions/question_06_output.txt	
@@ -0,0 +1,26 @@
+Question 06:
+Write a Python program to find the largest among three numbers.
+
+Answer:
+def main(numbers: list[int]) -> None:
+    if not numbers:
+        print("No numbers provided.")
+        return
+    
+    largest = numbers[0]
+    for num in numbers:
+        if num > largest:
+            largest = num
+            
+    print("Largest number:", largest)
+
+if __name__ == '__main__':
+    main([1, 2, 3])
+    main([3, 1, 2])
+    main([5, 10, 15, 20])
+
+
+Output:
+Largest number: 3
+Largest number: 3
+Largest number: 20
diff --git a/Practical File/question_07.py b/Practical File/questions/question_07.py
similarity index 100%
rename from Practical File/question_07.py
rename to Practical File/questions/question_07.py
diff --git a/Practical File/questions/question_07_output.txt b/Practical File/questions/question_07_output.txt
new file mode 100644
index 0000000..c55a0ec
--- /dev/null
+++ b/Practical File/questions/question_07_output.txt	
@@ -0,0 +1,34 @@
+Question 07:
+Write a Python program to perform arithmetic calculation. The program should accept two operands and an operator, then display the result.
+
+Answer:
+def main(num1: float, num2: float, operator: str) -> None:
+    if operator == '+':
+        result = num1 + num2
+    elif operator == '-':
+        result = num1 - num2
+    elif operator == '*':
+        result = num1 * num2
+    elif operator == '/':
+        if num2 == 0:
+            print("Error: Division by zero")
+            raise ZeroDivisionError
+        result = num1 / num2
+    else:
+        print("Error: Invalid operator")
+        raise ValueError("Invalid operator. Use +, -, *, or /.")
+    
+    print(f"Result: {result}")
+
+if __name__ == '__main__':
+    main(10, 5, '+')
+    main(10, 5, '-')
+    main(10, 5, '*')
+    main(10, 5, '/')
+
+
+Output:
+Result: 15
+Result: 5
+Result: 50
+Result: 2.0
diff --git a/Practical File/question_08.py b/Practical File/questions/question_08.py
similarity index 100%
rename from Practical File/question_08.py
rename to Practical File/questions/question_08.py
diff --git a/Practical File/questions/question_08_output.txt b/Practical File/questions/question_08_output.txt
new file mode 100644
index 0000000..a61dea2
--- /dev/null
+++ b/Practical File/questions/question_08_output.txt	
@@ -0,0 +1,18 @@
+Question 08:
+Write a Python program to check whether a given year is a leap year or not.
+
+Answer:
+def main(year: int) -> None:
+    if (year % 4 == 0 and year % 100 != 0) or (year % 400 == 0):
+        print(f"{year} is a leap year.")
+    else:
+        print(f"{year} is not a leap year.")
+
+if __name__ == '__main__':
+    main(2020)
+    main(2021)
+
+
+Output:
+2020 is a leap year.
+2021 is not a leap year.
diff --git a/Practical File/question_09.py b/Practical File/questions/question_09.py
similarity index 100%
rename from Practical File/question_09.py
rename to Practical File/questions/question_09.py
diff --git a/Practical File/questions/question_09_output.txt b/Practical File/questions/question_09_output.txt
new file mode 100644
index 0000000..d973aff
--- /dev/null
+++ b/Practical File/questions/question_09_output.txt	
@@ -0,0 +1,23 @@
+Question 09:
+Write a Python program to check if a number is positive, negative, or zero.
+
+Answer:
+def main(num: int) -> None:
+    if num > 0:
+        print(f"{num} is positive.")
+    elif num < 0:
+        print(f"{num} is negative.")
+    else:
+        print("The number is zero.")
+    
+
+if __name__ == '__main__':
+    main(10)
+    main(-5)
+    main(0)
+
+
+Output:
+10 is positive.
+-5 is negative.
+The number is zero.
diff --git a/Practical File/question_10.py b/Practical File/questions/question_10.py
similarity index 100%
rename from Practical File/question_10.py
rename to Practical File/questions/question_10.py
diff --git a/Practical File/questions/question_10_output.txt b/Practical File/questions/question_10_output.txt
new file mode 100644
index 0000000..d3270af
--- /dev/null
+++ b/Practical File/questions/question_10_output.txt	
@@ -0,0 +1,38 @@
+Question 10:
+Write a Python program to accept marks of a student and print the grade according to the given criteria:
+
+Answer:
+- Marks ≥ 90: A
+- Marks ≥ 80: B
+- Marks ≥ 70: C
+- Marks ≥ 60: D
+- Otherwise: Fail
+"""
+
+def main(marks: int) -> None:
+    if marks >= 90:
+        grade = 'A'
+    elif marks >= 80:
+        grade = 'B'
+    elif marks >= 70:
+        grade = 'C'
+    elif marks >= 60:
+        grade = 'D'
+    else:
+        grade = 'Fail'
+    
+    print(f"Grade: {grade}")
+
+if __name__ == '__main__':
+    main(95)
+    main(85)
+    main(75)
+    main(65)
+    main(55)
+
+Output:
+Grade: A
+Grade: B
+Grade: C
+Grade: D
+Grade: Fail
diff --git a/Practical File/question_11.py b/Practical File/questions/question_11.py
similarity index 100%
rename from Practical File/question_11.py
rename to Practical File/questions/question_11.py
diff --git a/Practical File/questions/question_11_output.txt b/Practical File/questions/question_11_output.txt
new file mode 100644
index 0000000..b4d80a4
--- /dev/null
+++ b/Practical File/questions/question_11_output.txt	
@@ -0,0 +1,29 @@
+Question 11:
+Write a Python program to check whether a given character is a vowel or consonant.
+
+Answer:
+def main(char: str) -> None:
+    vowels = 'aeiou'
+    if char.lower() in vowels:
+        print(f"{char} is a vowel.")
+    elif char.isalpha():
+        print(f"{char} is a consonant.")
+    else:
+        raise ValueError("Invalid input. Please enter an alphabetic character.")
+        
+
+if __name__ == '__main__':
+    main('a')
+    main('b')
+    main('A')
+    main('1') # also works with a int
+
+
+Output:
+Traceback (most recent call last):
+  File "\\homeassistant.local\share\data\school\Grade 11 CS\Practical File\question_11.py", line 17, in <module>
+    main('1') # also works with a int
+    ^^^^^^^^^
+  File "\\homeassistant.local\share\data\school\Grade 11 CS\Practical File\question_11.py", line 10, in main
+    raise ValueError("Invalid input. Please enter an alphabetic character.")
+ValueError: Invalid input. Please enter an alphabetic character.
diff --git a/Practical File/question_12.py b/Practical File/questions/question_12.py
similarity index 100%
rename from Practical File/question_12.py
rename to Practical File/questions/question_12.py
diff --git a/Practical File/questions/question_12_output.txt b/Practical File/questions/question_12_output.txt
new file mode 100644
index 0000000..b401f48
--- /dev/null
+++ b/Practical File/questions/question_12_output.txt	
@@ -0,0 +1,22 @@
+Question 12:
+Write a Python program to check whether a number is divisible by both 5 and 11.
+
+Answer:
+def main(num: int) -> None:
+    if num % 5 == 0 and num % 11 == 0:
+        print(f"{num} is divisible by both 5 and 11.")
+    else:
+        print(f"{num} is not divisible by both 5 and 11.")
+
+if __name__ == '__main__':
+    main(55)
+    main(22)
+    main(10)
+    main(121)
+
+
+Output:
+55 is divisible by both 5 and 11.
+22 is not divisible by both 5 and 11.
+10 is not divisible by both 5 and 11.
+121 is not divisible by both 5 and 11.
diff --git a/Practical File/question_13.py b/Practical File/questions/question_13.py
similarity index 100%
rename from Practical File/question_13.py
rename to Practical File/questions/question_13.py
diff --git a/Practical File/questions/question_13_output.txt b/Practical File/questions/question_13_output.txt
new file mode 100644
index 0000000..4da879f
--- /dev/null
+++ b/Practical File/questions/question_13_output.txt	
@@ -0,0 +1,18 @@
+Question 13:
+Write a Python program to find the absolute value of a number.
+
+Answer:
+def main(num: float) -> None:
+    abs_value = abs(num)
+    print(f"The absolute value of {num} is {abs_value}")
+
+if __name__ == '__main__':
+    main(-5.5)
+    main(3.14)
+    main(0)
+
+
+Output:
+The absolute value of -5.5 is 5.5
+The absolute value of 3.14 is 3.14
+The absolute value of 0 is 0
diff --git a/Practical File/question_14.py b/Practical File/questions/question_14.py
similarity index 100%
rename from Practical File/question_14.py
rename to Practical File/questions/question_14.py
diff --git a/Practical File/questions/question_14_output.txt b/Practical File/questions/question_14_output.txt
new file mode 100644
index 0000000..ab94cd5
--- /dev/null
+++ b/Practical File/questions/question_14_output.txt	
@@ -0,0 +1,27 @@
+Question 14:
+Write a Python program to check if a character is an uppercase or lowercase letter.
+
+Answer:
+def main(char: str) -> None:
+    if char.isupper():
+        print(f"{char} is an uppercase letter.")
+    elif char.islower():
+        print(f"{char} is a lowercase letter.")
+    else:
+        raise ValueError("Invalid input. Please enter an alphabetic character.")
+
+if __name__ == '__main__':
+    main('A')
+    main('a')
+    main('B')
+    main('b')
+    main('1')  # also works with a int
+
+Output:
+Traceback (most recent call last):
+  File "\\homeassistant.local\share\data\school\Grade 11 CS\Practical File\question_14.py", line 16, in <module>
+    main('1')  # also works with a int
+    ^^^^^^^^^
+  File "\\homeassistant.local\share\data\school\Grade 11 CS\Practical File\question_14.py", line 9, in main
+    raise ValueError("Invalid input. Please enter an alphabetic character.")
+ValueError: Invalid input. Please enter an alphabetic character.
diff --git a/Practical File/question_15.py b/Practical File/questions/question_15.py
similarity index 100%
rename from Practical File/question_15.py
rename to Practical File/questions/question_15.py
diff --git a/Practical File/questions/question_15_output.txt b/Practical File/questions/question_15_output.txt
new file mode 100644
index 0000000..01a2ef9
--- /dev/null
+++ b/Practical File/questions/question_15_output.txt	
@@ -0,0 +1,20 @@
+Question 15:
+Write a Python program to accept age and check whether the person is eligible to vote (18 or older).
+
+Answer:
+def main(age: int) -> None:
+    if age >= 18:
+        print(f"Age {age} is eligible to vote.")
+    else:
+        print(f"Age {age} is not eligible to vote.")
+
+if __name__ == '__main__':
+    main(18)
+    main(17)
+    main(20)
+
+
+Output:
+Age 18 is eligible to vote.
+Age 17 is not eligible to vote.
+Age 20 is eligible to vote.
diff --git a/Practical File/question_16.py b/Practical File/questions/question_16.py
similarity index 100%
rename from Practical File/question_16.py
rename to Practical File/questions/question_16.py
diff --git a/Practical File/questions/question_16_output.txt b/Practical File/questions/question_16_output.txt
new file mode 100644
index 0000000..c70c567
--- /dev/null
+++ b/Practical File/questions/question_16_output.txt	
@@ -0,0 +1,25 @@
+Question 16:
+Write a Python program to accept three sides and check whether they form a valid triangle.
+
+Answer:
+def main(sides: tuple[int, int, int]) -> None:
+    a, b, c = sides
+    if a + b > c and a + c > b and b + c > a:
+        print(f"The sides {sides} form a valid triangle.")
+    else:
+        print(f"The sides {sides} do not form a valid triangle.")
+
+if __name__ == '__main__':
+    main((3, 4, 5))
+    main((1, 2, 3))
+    main((5, 12, 13))
+    main((7, 10, 5))
+    main((1, 1, 2))
+
+
+Output:
+The sides (3, 4, 5) form a valid triangle.
+The sides (1, 2, 3) do not form a valid triangle.
+The sides (5, 12, 13) form a valid triangle.
+The sides (7, 10, 5) form a valid triangle.
+The sides (1, 1, 2) do not form a valid triangle.
diff --git a/Practical File/question_17.py b/Practical File/questions/question_17.py
similarity index 100%
rename from Practical File/question_17.py
rename to Practical File/questions/question_17.py
diff --git a/Practical File/questions/question_17_output.txt b/Practical File/questions/question_17_output.txt
new file mode 100644
index 0000000..63d23df
--- /dev/null
+++ b/Practical File/questions/question_17_output.txt	
@@ -0,0 +1,21 @@
+Question 17:
+Write a Python program to accept cost price and selling price, then print whether there is profit, loss, or no gain.
+
+Answer:
+def main(cost_price: float, selling_price: float) -> None:
+    if selling_price > cost_price:
+        print(f"Profit: {selling_price - cost_price}")
+    elif selling_price < cost_price:
+        print(f"Loss: {cost_price - selling_price}")
+    else:
+        print("No gain, no loss.")
+
+if __name__ == '__main__':
+    main(100.0, 120.0)
+    main(150.0, 130.0)
+    main(200.0, 200.0)
+
+Output:
+Profit: 20.0
+Loss: 20.0
+No gain, no loss.
diff --git a/Practical File/question_18.py b/Practical File/questions/question_18.py
similarity index 100%
rename from Practical File/question_18.py
rename to Practical File/questions/question_18.py
diff --git a/Practical File/questions/question_18_output.txt b/Practical File/questions/question_18_output.txt
new file mode 100644
index 0000000..3701b30
--- /dev/null
+++ b/Practical File/questions/question_18_output.txt	
@@ -0,0 +1,17 @@
+Question 18:
+Write a Python program to accept two numbers and check whether they are equal or not
+
+Answer:
+def main(num1: int, num2: int) -> None:
+    if num1 == num2:
+        print(f"{num1} and {num2} are equal.")
+    else:
+        print(f"{num1} and {num2} are not equal.")
+
+if __name__ == '__main__':
+    main(10, 10)
+    main(10, 20)
+
+Output:
+10 and 10 are equal.
+10 and 20 are not equal.