Класна робота №14 (№17.18, 17.20)

17.18.py

@@ -0,0 +1,22 @@
+from collections import Counter
+
+def lower(func):
+
+    def _lower(*args):
+        args_lower = ''
+        for arg in args:
+            args_lower += arg.lower()
+        y = func(args_lower)
+
+        return y
+
+    return _lower
+
+@lower
+def count(s):
+    return Counter(s)
+
+if __name__ == '__main__':
+    s = 'abcdABCefgGFAB'
+    g = 'qQQqqwerERwww'
+    print(count(s, g))

17.20.py

@@ -0,0 +1,48 @@
+def check_type(*typechecker):
+
+    def _check_type(func):
+
+        def __check_type(*args, **kwargs):
+
+            try:
+                if len(typechecker) != len(args):
+                    raise TypeError('Amounts do not match')
+            except TypeError:
+                return TypeError('Amounts do not match')
+
+            try:
+                for i, t in zip(args, typechecker):
+                    if type(i) != t:
+                        raise TypeError('Types do not match')
+            except TypeError:
+                return TypeError('Types do not match')
+
+            y = func(*args, **kwargs)
+            return y
+
+        return __check_type
+
+    return _check_type
+
+class TypeError(Exception):
+
+    def __init__(self, msg):
+        super().__init__()
+        self.msg = msg
+
+    def __str__(self):
+        return self.msg
+
+@ check_type(int, str, tuple)   
+def func(a, b, c):
+    return f'| {a} | {b} | {c} |'
+
+
+if __name__ == '__main__':
+    print(func(22, 'hello', (1, 'hi', 2)))
+    print(func(22.5, 'hello', (1, 'hi', 2)))
+    print(func(22,'hello world'))
+
+
+
+