using setattr and getattr

ammarlodhi255 · ammarlodhi255 · commit e4ffe6520908 · 2022-09-25T00:32:16.000+05:00
diff --git a/tips_in_python/setattr_and_getattr.py b/tips_in_python/setattr_and_getattr.py
@@ -0,0 +1,40 @@
+class Person:
+    pass
+
+
+person = Person()
+
+attr_name = 'first_name'
+attr_value = 'Ammar'
+
+# We can't just do this:
+# person.attr_name = attr_value
+
+# Solution:
+setattr(person, attr_name, attr_value)
+
+print(person.first_name)
+
+# If you want to access the value of a particular attribute, give its name:
+# We can't just that: print(person.attr_name)
+
+# Solution:
+value = getattr(person, attr_name)
+
+print(value)
+
+
+# Let us now create a another instance of Person and dynamically assign it attributes with values
+person_info = {
+    'first': 'Ammar',
+    'last': 'Ahmed',
+    'field_of_study': 'CompSci'
+}
+
+person = Person()
+
+for key, value in person_info.items():
+    setattr(person, key, value)
+
+for key in person_info.keys():
+    print(f'{key}: {getattr(person, key)}')
