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Jun 4, 2022 · 166. Just a simple contribution. If the class that we need to instance is in the same file, we can use something like this: # Get class from globals and create an instance. m = globals()['our_class']() # Get the function (from the instance) that we need to call. func = getattr(m, 'function_name') # Call it.
Feb 5, 2023 · In this article, we will see how to call a function of a module by using its name (a string) in Python. Basically, we use a function of any module as a string, let’s say, we want to use randint () function of a random module, which takes 2 parameters [Start, End] and generates a random value between start (inclusive) and end (inclusive).
Feb 22, 2024 · To call a function by string name in Python, you can use a dictionary that maps function names to their corresponding function objects. Here is an example to call a function by string name in Python using a dictionary: Code. def calculate_tax(income, tax_rate): return income * tax_rate. functions_dict = {.
Feb 12, 2024 · Use getattr() to Call a Function From a String in Python. The getattr() function in Python is primarily used to retrieve the value of an attribute from an object. However, since functions in Python are also objects, getattr() can be employed to reference a function dynamically using its name as a string. Let’s look at a concrete example.
Jul 26, 2024 · Calling a Function. To call a function, you simply use the function name followed by parentheses. For the greet function defined above, you would call it like this: greet() When this line of code is executed, the output will be: Functions with Parameters.
Apr 10, 2024 · Call a function by a String name using eval() Call a function by a String name using exec() # Call a function by a String name in Python. To call a function by a string name: Import the module the function is defined in. Use the getattr() function to get the function. Call the function. If you need to call a function given a string name and the ...
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In this example, we will use the getattr() function to call a function of a module by using its name in Python. Here, we will convert the sqrt module of python into a string and pass it as an argument in the getattr() function to calculate the square root of a number. In this example, we have taken 4 as the number. # import the math library.
