Demoprogramme

teil24/match_list.py

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+
+def print_match(wert):
+  
+  print(f'wert={wert}')
+  match wert:
+    case 1|2:
+      print('1 oder 2')
+    case 3|4:
+      print('3 oder 4')
+    case _:
+      print('unbekannt')
+
+
+print_match(1)
+print_match(3)
+print_match(5)
+
+
+

teil24/match_structure.py

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+values= ['John']
+# Matching structure in Python switch-case
+match values:
+    case [a]:
+        print(f'Only one item: {a}')
+    case [a, b]:
+        print(f'Two items: {a}, {b}')
+    case [a, b, c]:
+        print(f'Three items: {a}, {b}, and {c}')
+    case [a, b, c, *rest]:
+        print(f'More than three items: {a}, {b}, {c}, as well as: {rest}')

teil24/print_class.py

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+
+def print_match(name):
+  
+  print(f'name={name}')
+  match name:
+    case 'Lisa'|'Ralph'|'Janey':
+      print('zweite Klasse bei Ms. Hoover')
+    case 'Bart'|'Milhouse'|'Nelson':
+      print('vierte Klasse bei Ms. Krabappel')
+    case _:
+      print('unbekannt')
+
+
+print_match('Lisa')
+print_match('Milhouse')
+print_match('Homer')
+
+
+

teil24/print_type.py

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+#encoding:utf-8
+def print_type(value):
+    match value:
+        case int():
+            print('Integer')
+        case str():
+            print('String')
+        case list():
+            print('Liste')
+        case dict() as d:
+            print(f'Dictionary mit {len(d)} Einträgen')
+        case _:
+            print('unbekannter Datentyp')
+
+print_type(1) #Integer
+
+print_type('The Simpsons') # String
+
+print_type([1, 2, 3]) # Liste
+
+print_type({'a': 1, 'b': 2, 'c': 3}) # Dictionary
+
+print_type(1.0) #float ist nicht implentiert