python: add kwargs example

Author: danbev

fundamentals/python/src/kwargs.py

@@ -0,0 +1,13 @@
+# kwargs : Key Word Arguments
+# ** in a function declaration means collect all keyword arguments into a dictionary
+# named kwargs.
+# And for the callee 
+def print_info(**kwargs):
+    for key, value in kwargs.items():
+        print(f"{key}: {value}")
+
+# Call with any number of keyword arguments
+print_info(name="Dan", age=50, city="Stockholm")
+
+dict = {"name":"Dan", "age":50, "city":"Stockholm"}
+print_info(**dict)  # Unpack the dictionary into keyword arguments