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Boolean Array in NumPy – Python | GeeksforGeeks
For example, given a NumPy array [1, 0, 1, 0, 1], we can create a Boolean array where 1 becomes True and 0 becomes False. Let's explore different efficient methods to achieve this. astype () method is an efficient way to convert an array to a specific data type.
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What is the preferred way of returning a boolean in a Python function ...
There is no definitiv answer, it's just about preference. There is also this way: if num % 2 == 0: return True. return False. In general try to be consistent with the coding-style of the rest project. But, explicit is better than implicit. Imagine that during the comparison an exception occurs...
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Convert Between bool (True/False) and Other Types in Python
bool() evaluates an object according to Python’s rules for truth value testing and returns either True or False. Any non-empty string, including 'True' and 'False', is treated as True. Only an empty string becomes False. To convert a string based on its content, use strtobool() (explained below):
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Python's Flexible Approach to String-to-Boolean Conversion
Here are the common methods to achieve this: Using the bool () Function. The bool() function is the simplest way to convert a string to a boolean. It evaluates the truthiness of the string. If the string is empty or contains only whitespace, it returns False. Otherwise, it returns True. string1 = "Hello, world!"
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Select elements using Boolean Indexing with logical operators - w3resource
Learn how to create a 1D NumPy array and use boolean indexing with logical operators to select elements based on multiple conditions. Follow our step-by-step guide.
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How to Filter NumPy 2D Array by Condition in Python - Python Guides
Boolean indexing is the easiest way to filter a 2D array in Python NumPy. It works by creating a mask of True/False values and using it to select elements. Let’s create a simple 2D array representing sales data for different store locations: [5000, 7200, 6100, 8500], # New York. [4200, 5100, 4800, 6300], # Chicago.
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ctypes.c_bool Tutorial: Interfacing with C Booleans in Python
It provides a boolean type that ctypes knows how to marshal (convert) correctly between Python and C. How is it used? Passing to C functions. When you call a C function that expects a boolean argument, you pass an instance of ctypes.c_bool:
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How to use while True in Python - GeeksforGeeks
While loop is used to execute a block of code repeatedly until a given boolean condition evaluates to False. If we write while True, the loop will run indefinitely unless a break statement is used to exit it. Let's look at different examples of the while loop to better understand how it can be used in different situations.
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Python XOR Operator (^) Explained with Examples - TechBeamers
Python provides a dedicated function operator.xor() in the operator module for performing the XOR operation. It is slightly a better alternative to the ^ sign in terms of readability. Apart from the integer numbers, xor can also be applied to different data types in Python such as strings and bytes.
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Python Built-in Functions - Intellipaat
In this blog, you will explore the Python built-in functions, their types, how they are used, and why they are important for writing clean and efficient code in detail, with examples for each. Table of Contents: What are Built-in Functions in Python?