Q81. Print the index of a specific item in a list?
In Python, you find the index of an element in a list using the **`list.index()`** method: ```python technologies = ['React', 'Python', 'Docker', 'PostgreSQL'] # Finding ...
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Q82. How do you iterate over a list and pull element indices at the same time?
You are looking for the enumerate function. It takes each element in a sequence (like a list) and sticks it's location right before it. For example: >>>my_list=['a','b','...
Q83. How does Python's list.sort work at a high level? Is it stable? What's the runtime?
In early pythonversions, the sort function implemented a modified version of quicksort. However, it was deemed unstable and as of 2.3 they switched to using an adaptive ...
Q84. What does the list comprehension do:?
my_list=[(x,y,z)forxinrange(1,30)foryinrange(x,30)forzin range(y,30)ifx**2+y**2==z**2] It creates a list of tuples called my_list, where the first 2 elements are the perp...
Q85. How can we pass optional or keyword parameters from one function to another in Python?
Gather the arguments using the * and ** specifiers in the function's parameter list. This gives us positional arguments as a tuple and the keyword arguments as a dictiona...
Q86. Python How do you make a higher order function in Python?
A higherorder function accepts one or more functions as input and return s a new function. Sometimes it is required to use function as data To make high order function ,...
Q87. What is map?
The syntax of map is: map(aFunction,aSequence) The first argument is a function to be executed for all the elements of the iterable given as the second argument. If the f...
Q88. Tell me a very simple solution to print every other element of this list?
Use list slicing with a step of 2 (`[::2]`): ```python numbers = [0, 10, 20, 30, 40, 50, 60, 70, 80, 90] print(numbers[::2]) # Output: [0, 20, 40, 60, 80] ```
Q89. Are Tuples immutable?
Yes, tuples in Python are **immutable**. Once created, their elements cannot be changed, added, or removed. Key implications: 1. **Hashability**: Tuples can be used as di...
Q90. Why is not all memory freed when Python exits?
Objects referenced from the global namespaces of Python modules are not always deallocated when Python exits. This may happen if there are circular references. There are...