Leetcode with dani pinned «please make sure to read and understand the lecture I provided on lists before answer the following questions»
1. What is the output of the following code?
numbers = [1, 2, 3, 4, 5] print(numbers[2])
numbers = [1, 2, 3, 4, 5] print(numbers[2])
Anonymous Quiz
5%
1
39%
2
54%
3
2%
4
1%
5
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2. What is the output of the following code?
numbers = [1, 2, 3, 4, 5] numbers[1] = 10 print(numbers)
numbers = [1, 2, 3, 4, 5] numbers[1] = 10 print(numbers)
Anonymous Quiz
7%
[1, 2, 3, 4, 5]
24%
[10, 2, 3, 4, 5]
18%
error
50%
[1, 10, 3, 4, 5]
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Leetcode with dani
1. What is the output of the following code?
numbers = [1, 2, 3, 4, 5] print(numbers[2])
numbers = [1, 2, 3, 4, 5] print(numbers[2])
in Python, indexing starts from zero.the first element in a list has an index of 0, the second element has an index of 1, and so on
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try to understand the above idea on list before answer this question ,it's alittel bit confusing 3. What is the output of the following code?
numbers = [1, 2, 3, 4, 5] sliced_numbers = numbers[1:4] print(sliced_numbers)
numbers = [1, 2, 3, 4, 5] sliced_numbers = numbers[1:4] print(sliced_numbers)
Anonymous Quiz
40%
[ 2, 3, 4]
25%
[ 2, 3, 4, 5]
30%
[ 2, 3, 4 ]
5%
[1, 2, 3, 4, 5]
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4.What is the output of the following code?
fruits = ["apple", "banana", "orange"] fruits.append("mango") print(len(fruits))
fruits = ["apple", "banana", "orange"] fruits.append("mango") print(len(fruits))
Anonymous Quiz
4%
["apple", "banana", "orange"]
24%
["apple", "banana", "orange","mango"]
63%
4
6%
3
3%
["mango"]
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colors = ['red', 'green', 'blue'], what is the output of colors[-1]?
Anonymous Quiz
4%
'red'
8%
'green'
64%
'blue'
25%
error
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The output of sum([10, 20, 30, 40, 50]) is
Anonymous Quiz
21%
none
57%
150
22%
([10, 20, 30, 40, 50])
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Leetcode with dani
what is list in python? Lists are one of the most commonly used data structures in Python. They are used to store a collection of items, such as numbers, strings, or even other lists. Lists are mutable, which means you can modify them by adding, removing…
what should replace x to show the length of the list and what is the final out put? fruits = ['apple', 'banana', 'orange'] fruits.remove('apple')
x
print(length)
x
print(length)
Anonymous Quiz
9%
len(fruits) and 3
46%
length = len(fruits) and 2
34%
len(fruits) and 2
11%
length = len('fruits') and 2
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#code_challenge write a code that Check whether a list is empty or not
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What will be the output of the following code?
my_list = [1, 0, -1, 4, '1']
if my_list[0] == my_list[-1]: print("The first and last elements are the same.") else: print("The first and last elements are different.") Output:
my_list = [1, 0, -1, 4, '1']
if my_list[0] == my_list[-1]: print("The first and last elements are the same.") else: print("The first and last elements are different.") Output:
Anonymous Quiz
22%
The first and last elements are the same
10%
error
69%
The first and last elements are different
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here is the code that check whether the list is empty or not. my_list = []
if len(my_list) == 0:
print("The list is empty.") else: print("The list is not empty.")
if len(my_list) == 0:
print("The list is empty.") else: print("The list is not empty.")
Anonymous Quiz
79%
The list is empty.
13%
The list is not empty.
8%
{}
🆒7
TUPLES IN PYTHON Tuples are an immutable data structure in Python, similar to lists. They are used to store a collection of related values that should not be changed. Tuples are often used to represent a group of items that belong together, such as coordinates, RGB color values, or database records.
Creating a Tuple:
To create a tuple, you can enclose a comma-separated sequence of items within parentheses (). For example:
You can access individual elements in a tuple using their index, just like with lists. The index starts from 0 for the first element, 1 for the second element, and so on.
You can create a tuple by simply separating values with commas, without using parentheses. This is called tuple packing.
Tuples have fewer built-in methods compared to lists, but there are a few useful ones:
Creating a Tuple:
To create a tuple, you can enclose a comma-separated sequence of items within parentheses (). For example:
my_tuple = (1, 2, 3, "apple", "banana")
Alternatively, you can create a tuple without using parentheses by separating the values with commas:my_tuple = 1, 2, 3, "apple", "banana"
Accessing Elements:You can access individual elements in a tuple using their index, just like with lists. The index starts from 0 for the first element, 1 for the second element, and so on.
print(my_tuple[0]) # Output: 1
print(my_tuple[3]) # Output: "apple"
Tuples are immutable, which means you cannot modify their elements or assign new values to them. If you try to modify a tuple, you will get a TypeError.my_tuple[0] = 10 # This will raise a TypeError
Tuple Packing and Unpacking:You can create a tuple by simply separating values with commas, without using parentheses. This is called tuple packing.
my_tuple = 1, 2, 3
You can also assign the values of a tuple to multiple variables in a single line. This is called tuple unpacking.a, b, c = my_tuple
print(a) # Output: 1
print(b) # Output: 2
print(c) # Output: 3
Tuple Methods:Tuples have fewer built-in methods compared to lists, but there are a few useful ones:
my_tuple = (1, 2, 3, 4, 5)
# Get the index of a specific element
index = my_tuple.index(3)
print(index) # Output: 2
# Count the number of occurrences of an element
count = my_tuple.count(4)
print(count) # Output: 1
Tuples are commonly used when you want to store a collection of values that should not be modified.👍3👌3🆒3
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Leetcode with dani pinned «TUPLES IN PYTHON Tuples are an immutable data structure in Python, similar to lists. They are used to store a collection of related…»
1. Code:
my_tuple = (1, 2, 3, "apple", "banana")
print(my_tuple[-1]) Question: What will be the output of the above code?
my_tuple = (1, 2, 3, "apple", "banana")
print(my_tuple[-1]) Question: What will be the output of the above code?
Anonymous Quiz
4%
1
6%
2
4%
3
4%
apple
83%
banana
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3. Code:
my_tuple = (1, 2, 3, "apple", "banana")
print(my_tuple.index("banana")) Question: What will be the output of the above code?
my_tuple = (1, 2, 3, "apple", "banana")
print(my_tuple.index("banana")) Question: What will be the output of the above code?
Anonymous Quiz
9%
3
74%
4
17%
5
👍3
4.Code:
my_tuple = (1, 2, 3, "apple", "banana")
print(len(my_tuple)) Question: What will be the output of the above code?
my_tuple = (1, 2, 3, "apple", "banana")
print(len(my_tuple)) Question: What will be the output of the above code?
Anonymous Quiz
92%
5
4%
6
4%
3
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