#!/usr/bin/python3

# List element manipulation.

dogNames = [ "harry", "Shenanigans","katrina","Tanner","Yukon Jack", "Colorado","Mandy"]
dogNames2 = ["Oscar", "Rusty"]

print (dogNames," length = ",len(dogNames))

print("Append element Rusty to the list.")
dogNames.append("Rusty")
print (dogNames," length = ",len(dogNames))
print("\n")

# Reset dogNames back to the original list
dogNames = [ "harry", "Shenanigans","katrina","Tanner","Yukon Jack", "Colorado","Mandy"]
# Insert a value into the list
print("Insert a list into position #2")
print (dogNames," length = ",len(dogNames))
print (dogNames2," length = ",len(dogNames2))
dogNames.insert(2,dogNames2)
print (dogNames," length = ",len(dogNames))
print("\n")

# Reset dogNames back to the original list
dogNames = [ "harry", "Shenanigans","katrina","Tanner","Yukon Jack", "Colorado","Mandy"]
# Insert a list into the list
print("Append a list at the end")
print (dogNames," length = ",len(dogNames))
print (dogNames2," length = ",len(dogNames2))
dogNames.append(dogNames2)
print (dogNames," length = ",len(dogNames))
print("\n")


# Reset dogNames back to the original list
dogNames = [ "harry", "Shenanigans","katrina","Tanner","Yukon Jack", "Colorado","Mandy"]
# Insert a list into the list
print("Extend a list at the end. This expands the list at the end of the first list.")
print (dogNames," length = ",len(dogNames))
print (dogNames2," length = ",len(dogNames2))
dogNames.extend(dogNames2)
print (dogNames," length = ",len(dogNames))
print("\n")


# Reset dogNames back to the original list
dogNames = [ "harry", "Shenanigans","katrina","Tanner","Yukon Jack", "Colorado","Mandy"]
# Insert a list into the list
print("Remove the value katrina from the list. ")
print (dogNames," length = ",len(dogNames))
dogNames.remove("katrina")
print (dogNames," length = ",len(dogNames))
print("\n")