A function in python refers to a block of code that can be reused to perform the same task. Functions allow breaking your program into modules. A function runs only after you call it. You can pass parameters and arguments in the function. A few examples are-
Syntax:
def test_function():
print("Hello! I hope you are doing fine")
Output:
Hello! I hope you are doing fine
Syntax:
def my_function(firstname):
print(fname + " Weasley")
my_function("Fred")
my_function("Ron")
my_function("Ginny")
Output:
Fred Weasley
Ron Weasley
Ginny Weasley
Here the argument that is being passed as an argument in the function is being concatenated with the string “Weasley”.
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