Merge pull request #83 from lironmiz/unit6-Ex6.2.3

Create unit6_ex6.2.3.py

Author: lironmiz

unit6_ex6.2.3.py

@@ -0,0 +1,28 @@
+# exersice 6.2.3 from unit 6
+'''
+Write a function called format_list defined as follows:
+
+def format_list(my_list):
+The function receives a list of strings of even length. The function returns a string containing the members of the list in the even positions, separated by a comma and a space, and also the last member with the inscription and before it.
+
+An example of running the format_list function
+>>> my_list = ["hydrogen", "helium", "lithium", "beryllium", "boron", "magnesium"]
+>>> format_list(my_list)
+hydrogen, lithium, boron, and magnesium
+
+Guidelines
+Do not use loops.
+'''
+def format_list(my_list):
+    formatted_list = ', '.join(my_list[::2])
+    return f"{formatted_list} and {my_list[-1]}"
+
+
+def main():
+    my_list = ["hydrogen", "helium", "lithium", "beryllium", "boron", "magnesium"]
+    formatted_list = format_list(my_list)
+    print(formatted_list)
+
+if __name__ == "__main__":
+    main()
+