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1. Ask the user to provide three numerical inputs.<br>2. Create a tuple out of them.<br>3. If the sum of the first and second elements of the tuple is greater than the third, print<br>the tuple in reverse.<br>4. Otherwise, print the tuple normally. 1. Create a list named matrix that contains:<br>[1, 2, 3],<br>[4, 5, 6],<br>[7, 8, 9]<br>2. Print the element 8.<br>3. Print the second row of the matrix, i.e. 4, 5 and 6.<br>4. Print the third column of the matrix, i.e. 3, 6 and 9.<br>5. Print the diagonal of the matrix, i.e., 1, 5 and 9. 1. Create a list named integers that contains 0, 1 and 3.<br>2. Add the number 4 to the end of the list using two different methods.<br>3. Add the number 2 in the list at the correct index to get a sequence.<br>4. Print the list, it should display 0, 1, 2, 3, 4.<br>5. Create a new list that contains 5, 6, 7 and 8.<br>6. Add this new list at the end of the integers list.<br>7. Remove the number 0 from the list. 1. Create a list named sports that contains "Football", "Basketball", "Swimming" and<br>"Tennis".<br>2. Ask the user for their favorite sport.<br>3. Print "We love that too!" if the user's favorite sport is in the list. 1. Given a list named colors that contains "red", "blue", "green", "yellow" and "pink"<br>2. Print the second and fourth items from the list.<br>3. Given the tuple named grades that contains "A", "B", "C", "D" and "F"<br>4. Print the first and last items from the tuple. 1. Given a list named animals that contains "cat", "dog" and “apple”<br>2. Remove the “apple” from the list.<br>3. Print the list.<br>4. Add "rabbit" to the list.<br>5. Print the list. 1. Create a list named first_list that contains 0, 1, 2, 3 and 4.<br>2. Create a new list named copy_list by doing copy_list = first_list.<br>3. Modify the last element of copy_list.<br>4. Print first_list.<br>5. What happened ?<br>6. Find a way to correctly copy the first_list. 1. Create a list named fruits containing the following items: "apple", "banana", "cherry".<br>2. Print the list to ensure it has been created correctly.<br>3. Create a tuple named vegetables containing the items: "carrot", "broccoli", "lettuce".<br>4. Print the tuple. 1. Given a tuple named months that contains "Jan", "Feb", "Mach” and "Apr"<br>2. Try to correct the typo in "Mach" to "March".<br>3. What happens?<br>4. Convert the tuple into a list.<br>5. Retry to correct the typo in "Mach" to "March".<br>6. Convert the list into a tuple.<br>7. Print the tuple. 1. Create a tuple that contains 0, 0, 1, 0, 1, and 1<br>2. Count the number of 0 using a method.<br>3. Find the index of the first 1 using a method.<br>4. Delete the tuple.<br>Tips: To delete a tuple, you could use del followed by the tuple name.

QUESTIONS

1. Ask the user to provide three numerical inputs.
2. Create a tuple out of them.
3. If the sum of the first and second elements of the tuple is greater than the third, print
the tuple in reverse.
4. Otherwise, print the tuple normally.

Right Answer:


# Step 1
num1 = float(input("Enter first number: "))
num2 = float(input("Enter second number: "))
num3 = float(input("Enter third number: "))
# Step 2
num_tuple = (num1, num2, num3)
# Step 3 and Step 4
if num1 + num2 > num3:
print(num_tuple[::-1]) # Print the tuple in reverse
else:
print(num_tuple) # Print the tuple normally

1. Create a list named matrix that contains:
[1, 2, 3],
[4, 5, 6],
[7, 8, 9]
2. Print the element 8.
3. Print the second row of the matrix, i.e. 4, 5 and 6.
4. Print the third column of the matrix, i.e. 3, 6 and 9.
5. Print the diagonal of the matrix, i.e., 1, 5 and 9.

Right Answer:


# Step 1
matrix = [
[1, 2, 3],
[4, 5, 6],
[7, 8, 9]
]
# Step 2
print(matrix[2][1]) # Output: 8
# Step 3
print(matrix[1]) # Output: [4, 5, 6]
# Step 4
third_column = [row[2] for row in matrix]
print(third_column) # Output: [3, 6, 9]
# Step 5
diagonal = [matrix[i][i] for i in range(len(matrix))]
print(diagonal) # Output: [1, 5, 9]

1. Create a list named integers that contains 0, 1 and 3.
2. Add the number 4 to the end of the list using two different methods.
3. Add the number 2 in the list at the correct index to get a sequence.
4. Print the list, it should display 0, 1, 2, 3, 4.
5. Create a new list that contains 5, 6, 7 and 8.
6. Add this new list at the end of the integers list.
7. Remove the number 0 from the list.

Right Answer:


# Step 1
integers = [0, 1, 3]
# Step 2
integers.append(4) # Method 1: Using append()
integers += [4] # Method 2: Using += operator
# Step 3
integers.insert(2, 2) # Insert 2 at the correct index to create a sequence
# Step 4
print(integers) # Output: [0, 1, 2, 3, 4]
# Step 5
new_list = [5, 6, 7, 8]
# Step 6
integers.extend(new_list) # Adding the new list at the end of the integers list
# Step 7
integers.remove(0) # Removing the number 0 from the list
print(integers) # Output: [1, 2, 3, 4, 5, 6, 7, 8]

1. Create a list named sports that contains "Football", "Basketball", "Swimming" and
"Tennis".
2. Ask the user for their favorite sport.
3. Print "We love that too!" if the user's favorite sport is in the list.

Right Answer:


# Step 1
sports = ["Football", "Basketball", "Swimming", "Tennis"]
# Step 2
favorite_sport = input("Enter your favorite sport: ")
# Step 3
if favorite_sport in sports:
print("We love that too!")
else:
print("That's a great sport, but not on our list.")

1. Given a list named colors that contains "red", "blue", "green", "yellow" and "pink"
2. Print the second and fourth items from the list.
3. Given the tuple named grades that contains "A", "B", "C", "D" and "F"
4. Print the first and last items from the tuple.

Right Answer:


# Step 1
colors = ["red", "blue", "green", "yellow", "pink"]
# Step 2
print(colors[1]) # Output: blue
print(colors[3]) # Output: yellow

# Step 3
grades = ("A", "B", "C", "D", "F")
# Step 4
print(grades[0]) # Output: A
print(grades[-1]) # Output: F

1. Given a list named animals that contains "cat", "dog" and “apple”
2. Remove the “apple” from the list.
3. Print the list.
4. Add "rabbit" to the list.
5. Print the list.

Right Answer:


# Step 1
animals = ["cat", "dog", "apple"]
# Step 2
animals.remove("apple") # Removing "apple" from the list
# Step 3
print(animals) # Output: ['cat', 'dog']

# Step 4
animals.append("rabbit") # Adding "rabbit" to the list
# Step 5
print(animals) # Output: ['cat', 'dog', 'rabbit']

1. Create a list named first_list that contains 0, 1, 2, 3 and 4.
2. Create a new list named copy_list by doing copy_list = first_list.
3. Modify the last element of copy_list.
4. Print first_list.
5. What happened ?
6. Find a way to correctly copy the first_list.

Right Answer:


# Step 1
first_list = [0, 1, 2, 3, 4]
# Step 2
copy_list = first_list # This is an assignment, not a true copy
# Step 3
copy_list[-1] = 9 # Modify the last element of copy_list
# Step 4
print(first_list) # Output: [0, 1, 2, 3, 9]
# Step 5 - Explanation
# Both `first_list` and `copy_list` refer to the same list in memory, so changes to one affect the other.
# Step 6 - Correct way to copy the list
copy_list = first_list.copy() # Use the .copy() method for a true copy
# Verifying by modifying copy_list again
copy_list[-1] = 8
print(first_list) # Output: [0, 1, 2, 3, 9] (no change in first_list)
print(copy_list) # Output: [0, 1, 2, 3, 8] (change only in copy_list)

1. Create a list named fruits containing the following items: "apple", "banana", "cherry".
2. Print the list to ensure it has been created correctly.
3. Create a tuple named vegetables containing the items: "carrot", "broccoli", "lettuce".
4. Print the tuple.

Right Answer:


# Step 1
fruits = ["apple", "banana", "cherry"]
# Step 2
print(fruits) # Output: ['apple', 'banana', 'cherry']
# Step 3
vegetables = ("carrot", "broccoli", "lettuce")
# Step 4
print(vegetables) # Output: ('carrot', 'broccoli', 'lettuce')

1. Given a tuple named months that contains "Jan", "Feb", "Mach” and "Apr"
2. Try to correct the typo in "Mach" to "March".
3. What happens?
4. Convert the tuple into a list.
5. Retry to correct the typo in "Mach" to "March".
6. Convert the list into a tuple.
7. Print the tuple.

Right Answer:


# Step 1
months = ("Jan", "Feb", "Mach", "Apr")
# Step 2
# Trying to correct the typo will raise an error as tuples are immutable.
# Step 3 - Explanation
# Tuples are immutable, meaning we cannot change their items directly.
# Step 4
months_list = list(months) # Converting tuple to list
# Step 5
months_list[2] = "March" # Correcting the typo
# Step 6
months = tuple(months_list) # Converting the list back to a tuple
# Step 7
print(months) # Output: ('Jan', 'Feb', 'March', 'Apr')

1. Create a tuple that contains 0, 0, 1, 0, 1, and 1
2. Count the number of 0 using a method.
3. Find the index of the first 1 using a method.
4. Delete the tuple.
Tips: To delete a tuple, you could use del followed by the tuple name.

Right Answer:


# Step 1
binary_tuple = (0, 0, 1, 0, 1, 1)
# Step 2
count_zeros = binary_tuple.count(0)
print(count_zeros) # Output: 3
# Step 3
index_of_first_one = binary_tuple.index(1)
print(index_of_first_one) # Output: 2
# Step 4
del binary_tuple # Deleting the tuple

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