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https://www.analyticsvidhya.com/blog/2024/02/multiple-choice-ques...

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Top 50 Python Data Types Questions Explained with Examples

c) Array. d) Array. Answer: a. Explanation: The code snippet prints the data type of the variable “x”, which is a list. The correct type name in Python is “list”. Q13. Which data type is used to store a collection of items, where each item is indexed by a numerical index? a) List. b) Tuple. c) Set. d) Dictionary. Answer: a

https://www.geeksforgeeks.org/prefix-sum-array-implementation-app...

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Prefix Sum Array - Implementation and Applications

Run a for loop to traverse the input array; For each index add the value of the current element and the previous value of the prefix sum array; ... An array stores items (in case of C/C++ and Java Primitive Arrays) or their references (in case of Python, JS, Java Non-Primitive) at contiguous. 4 min read. String in Data Structure

https://pynative.com/python-list-exercise-with-solutions/

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Python List Exercise with Solution [10 Exercise Questions] - PYnative

Exercise 2: Perform List Manipulation. Given:. my_list = [10, 20, 30, 40, 50] Code language: Python (python)Perform following list manipulation operations on given list. Change Element: Change the second element of a list to 200 and print the updated list. Append Element: Add 600 o the end of a list and print the new list. Insert Element: Insert 300 at the third position (index 2) of a list ...

https://stackoverflow.com/questions/46567449/set-a-string-as-inde...

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python - Set a string as index of pandas DataFrame - Stack Overflow

String indexing in one column in pandas dataframe using index value from other column. 0. Python Pandas Dataframe Customize Index. 1. set_index by the index of the column PYTHON. 0. Setting String Values of a Pandas Column with Indices. 1. Pandas: how to index dataframe for certain value or string without knowing the column name.

https://www.w3resource.com/daily-learning/daily-learning-21-05-20...

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Daily Coding Challenges & Projects 21-05-2025 - w3resource

Problem :Given an array of integers, return indices of the two numbers such that they add up to a specific target. Hint : Use a hashmap to store seen values. Hard: Problem : Implement a Least Recently Used (LRU) cache with get/put in O(1) time. Hint : Use OrderedDict in Python or combine hashmap + doubly linked list.

https://link.springer.com/chapter/10.1007/978-3-662-70890-3_35

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Introduction to Python - SpringerLink

Python allows the direct definition of lists or vectors without special commands for declaration or changing their length. The elements of an array are separated by commas and enclosed in square brackets: Access to one or more elements of a list is also done using square brackets, the indexing of lists starts with index zero.

https://thelinuxcode.com/python-list-pop-method-a-complete-guide/

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Python List pop() Method: A Complete Guide – TheLinuxCode

Python lists are implemented as dynamic arrays, which affects how operations like pop() perform. Memory Management. When you call ... it removes and returns the last element of the list. This is because the default index value is -1, which in Python refers to the last element. numbers = [10, 20, 30, 40, 50] last_number = numbers.pop() print(f ...

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Get Unique Values From a List in Python: 3 Easy Methods

3. Python numpy.unique() function To Create a List with Unique Items. Python NumPy module has a built-in function named, numpy.unique to fetch unique data items from a numpy array. In order to get unique elements from a Python list, we will need to convert the list to NumPy array using the below command: Syntax:

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Mastering Python List Comprehension: Syntax, Examples & Tips - Course Hero

If Multiple values are present at the same index position, then the value is appended to that index ... This makes it different from lists, tuples, and arrays as in a dictionary each key has an associated value. Note: As of Python version 3.7, dictionaries are ordered and can not contain duplicate values. Dictionaries in Python . 16 ...

https://www.theknowledgeacademy.com/blog/what-is-an-array/

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What is an Array: Essential Concepts and Examples - The Knowledge Academy

For example, myArray[2] = 42 updates the value at index 2. 3) Adding Elements: Adding elements to the end of an array, expanding its size. This operation is often referred to as "appending." ... Array and list in Python are both used to hold the related data set but one important thing about array is that it holds only similar data type while a ...

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การค้นหาที่เกี่ยวข้อง python array index of value

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