added the code

.gitignore

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+venv/
+
+.python-version

app.py

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+# imports
+import streamlit as st
+from fastai.learner import load_learner
+from fastai.tabular.all import *
+from PIL import Image
+
+# Preprocessing of App
+path = Path()
+learn_inf = load_learner(path/'final_model.pkl', cpu=True)
+book_factors = learn_inf.model.i_weight.weight
+img = Image.open('header.png')
+books = pd.read_csv('books.csv')
+
+
+def selectbox_with_default(text, values, default, sidebar=False):
+    func = st.sidebar.selectbox if sidebar else st.selectbox
+    return func(text, np.insert(np.array(values, object), 0, default))
+
+def get_similar_books(title, number):
+    idx = learn_inf.dls.classes['original_title'].o2i[title]
+    distances = nn.CosineSimilarity(dim=1)(book_factors, book_factors[idx][None])
+    idx = distances.argsort(descending=True)[1:number+1]
+    similar = [learn_inf.dls.classes['original_title'][i] for i in idx]
+    ids = [int(books.loc[books['original_title']==str(i)]['goodreads_book_id'].values[0]) for i in similar]
+    urls = [f'https://www.goodreads.com/book/show/{id}' for id in ids]
+    return similar, urls
+
+
+# APP
+st.image(img, width=200)
+st.title('SIMILAR BOOKS')
+st.subheader('A Book Recommendation System')
+"Here's the [GitHub](https://github.com/jimmiemunyi/SimilarBooks) repo."
+
+st.info("Start typing and you will get suggestions of Books we currently have. We Currently have support for 10, 000 Books!")
+title = selectbox_with_default("Which Book Do you want Recommendations From:",
+                            books['original_title'], default='Select A Book')
+number = st.slider("How many Similar Books do you want?", 1, 10, value=5)
+
+if(st.button("Suggest Similar Books")):
+    similar, urls = get_similar_books(title, number)
+    st.subheader('Here are your Book Recommendations. Enjoy!')
+    for book, url in zip(similar, urls):
+        st.write(f'{book}: {url}')
+
+st.title('Developer Details')
+'''
+
+My name is Jimmie Munyi. You can connect with me on [Twitter](https://twitter.com/jimmie_munyi). You can check out other projects I have done from [My GitHub](https://github.com/jimmiemunyi) and from [My Blog](https://jimmiemunyi.github.io/blog/).
+
+If you wish to see how Similar Books was created, read this [blog post](https://jimmiemunyi.github.io/blog/projects/tutorial/2021/02/15/Book-Recommendation-Model-Training.html).
+
+'''
+del books
+
+

final_model.pkl

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+version https://git-lfs.github.com/spec/v1
+oid sha256:941a60c4dc13dc42e12f7620fefd1d496d60f022c6cb96bf75bf1261b89e953a
+size 138427415

requirements.txt

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+fastai>=2
+packaging