Add examples for defining a class

Signed-off-by: Christopher Arndt <chris@chrisarndt.de>

beispiele/personclass1.py

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+# personclass1.py
+
+class Person:
+    name = ""
+    age = 0
+    gender = None
+
+
+person = Person()
+
+print(person)
+print(person.__class__)
+print(person.name)
+print(person.age)
+print(person.gender)
+
+person.name = "Joe Doe"
+person.age = 32
+person.gender = "m"
+
+print(person)
+print(person.__class__)
+print(person.name)
+print(person.age)
+print(person.gender)
+
+

beispiele/personclass2.py

@@ -0,0 +1,27 @@
+# personclass1.py
+
+class Person:
+
+    def __init__(self, name="", age=0, gender=None):
+        self.name = name
+        self.age = age
+        self.gender = gender
+
+
+person1 = Person()
+
+print(person1)
+print(person1.__class__)
+print(person1.name)
+print(person1.age)
+print(person1.gender)
+
+person2 = Person("Joe Doe", 32, gender="m")
+
+print(person2)
+print(person2.__class__)
+print(person2.name)
+print(person2.age)
+print(person2.gender)
+
+