Type systems. What role do they play in Python?
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When you start with Python, it is easy to think it does not have types. So is python a typed language? You bet! In fact, it is a dynamically, implicitly, nominally and strongly typed language and in this video you learn what that means.
C H A P T E R S
0:22 The origins of type systems
1:34 Types describe operations, lower and upper bounds
2:15 Interfaces for modular design
2:45 Dynamic type checking
3:28 Implicit types
3:43 Strongly typed
4:13 Nominal subtyping
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