In the python definition of functions.how the language determine the type of the variables in the () ?

Question

Def func(x):
Print(x)
How to tell if x is a string or a float or an integer

Answer 1

#You cant do that, but you can do this:
def func(x):
print(type(x))

Answer 2

You can not really specify the type of the arguments you want to pass in, but you can make it raise an error if wrong arguments were given.

def func(x):
assert isinstance(x, int), "x must be an integer"
print(x)

Answer 3

I mean how to know what type is x in the first place not after I derlfine it?

Answer 4

Thanks alot :)