The bool() function is a built-in function in Python that returns a Boolean value. It takes an object as its argument and returns True or False depending on the truthiness of the object.
Here's an example of using bool() to check the truthiness of different objects:
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print(bool(1)) # True
print(bool(0)) # False
print(bool([])) # False
print(bool([1,2,3])) # True
print(bool("")) # False
print(bool("Hello")) # True
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In this example, we use bool() to check the truthiness of various objects. When we pass the integer 1 to bool(), it returns True because 1 is a truthy value in Python. When we pass the integer 0 to bool(), it returns False because 0 is a falsy value in Python. When we pass an empty list to bool(), it returns False because an empty list is a falsy value in Python. When we pass a non-empty list to bool(), it returns True because a non-empty list is a truthy value in Python. Finally, we pass an empty string and a non-empty string to bool(), which return False and True, respectively.
bool() is often used in Python to check the truthiness of objects in conditional statements, loops, and other control structures. It's a simple and convenient way to convert any object to a Boolean value, which can be useful in many programming scenarios.
Here's an example of using bool() in a conditional statement:
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x = 10
if bool(x):
print("x is a truthy value")
else:
print("x is a falsy value")
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In this example, we define a variable x with the value of 10. We use bool() to check the truthiness of x in a conditional statement. Since x is a truthy value, the conditional statement evaluates to True and the code inside the if block is executed.
In conclusion, the bool() function is a built-in function in Python that returns a Boolean value based on the truthiness of an object. It's a useful tool for checking the truthiness of objects in conditional statements, loops, and other control structures. When working with Boolean values in Python, bool() is a valuable tool to have in your toolkit.