Complete exercises for Module Tools/Sprint 5/Prep - step 3 'Classes and objects'

Author: Geraldine-Edwards

prep-exercises/c_classes_and_objects.py

@@ -0,0 +1,36 @@
+class Person:
+    def __init__(self, name: str, age: int, preferred_operating_system: str):
+        self.name = name
+        self.age = age
+        self.preferred_operating_system = preferred_operating_system
+
+
+
+imran = Person("Imran", 22, "Ubuntu")
+print(imran.name)
+# print(imran.address) # mypy: Person has no attribute address
+
+
+eliza = Person("Eliza", 34, "Arch Linux")
+print(eliza.name)
+# print(eliza.address)  # mypy: Person has no attribute address
+
+
+def is_adult(person: Person) -> bool:
+    return person.age >= 18
+
+
+print(is_adult(imran))
+
+
+# ------------------------
+# Exercise 1
+# ------------------------
+# Write a new function in the file that accepts a Person as a parameter and tries to access 
+# a property that doesn’t exist. Run it through mypy and check that it does report an error.
+
+def is_located_in(person: Person) -> bool:
+    return person.is_located_in == "Manchester"
+
+print(is_located_in(eliza))  # prints: AttributeError: 'Person' object has no attribute 'is_located_in'
+