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![Ankush Sharma](https://secure.gravatar.com/avatar/eea1935bee577b4cea947c4df45391e4?s=96&d=https%3A%2F%2Fecs-static.teamtreehouse.com%2Fassets%2Fcontent%2Fdefault_avatar-445fbbabfc8dc9188fb5967fe43322ee0c3e0dd1e10f378bf8343784af5a13eb.webp&r=pg)
Ankush Sharma
844 PointsPlease help me on mutability.In my program on it just looping on variable but not on list.attaching the program:
books = [
"Learning Python: Powerful Object-Oriented Programming - Mark Lutz",
"Automate the Boring Stuff with Python: Practical Programming for Total Beginners - Al Sweigart",
"Python for Data Analysis - Wes McKinney",
"Fluent Python: Clear, Concise, and Effective Programming - Luciano Ramalho",
"Python for Kids: A Playful Introduction To Programming - Jason R. Briggs",
"Hello Web App: Learn How to Build a Web App - Tracy Osborn",
]
video_games = [
"The Legend of Zelda: Breath of the Wild",
"Splatoon 2",
"Super Mario Odyssey",
]
def display_wishlist(display_name,wishes):
print(display_name + ":")
print("=====>", "<======")
for wish in wishes:
print("*" + wish)
print()
display_wishlist("Books","books")
display_wishlist("Video Games", "video_games")
2 Answers
![Chris Freeman](https://uploads.teamtreehouse.com/production/profile-photos/1153532/micro_image.jpg)
Chris Freeman
Treehouse Moderator 68,425 PointsThe second argument should be the object you wish to iterate over. You currently have a string of the same name.
remove quote marks from around “books”
Post back if you need more help. Good luck!!!
![Ankush Sharma](https://secure.gravatar.com/avatar/eea1935bee577b4cea947c4df45391e4?s=96&d=https%3A%2F%2Fecs-static.teamtreehouse.com%2Fassets%2Fcontent%2Fdefault_avatar-445fbbabfc8dc9188fb5967fe43322ee0c3e0dd1e10f378bf8343784af5a13eb.webp&r=pg)
Ankush Sharma
844 PointsThank you.It helps)