Typing#

Python is "dynamically typed" language. This means that you can do things like this without any errors:

def add(a, b):
    return a + b

print(add(1, 2)) # 3
print(add("Hello, ", "World")) # Hello, World

Duck typing

This is sometimes called duck typing:

If it walks like a duck and quacks like a duck, then it must be a duck.

In the example above, the function add doesn't care what type of objects a and b are, as long as they support the + operator (i.e. they walk like something that supports + ).

Typing#

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