期末

q4/q4_1/q4_1.py

@@ -1,6 +1,16 @@
 import matplotlib.pyplot as plt
 import json
-with open ("movies.json","r",encoding='utf-8') as f:
-   print(f)
-genre_count=()   
-plt.bar
+movies= json.load(open('movies.json',encoding='utf-8'))
+genres= {}
+for m in movies:
+   g=m['genre']
+   if g in genres:
+      genres['g'] = genres['g']+1
+   else:
+      genres['g']=1
+plt.figure(figsize=(8,5))
+plt.bar(genres.keys(),genres.values())
+plt.title("类型电影数量分布")
+plt.xlabel("类型")
+plt.ylabel("数量")
+plt.savefig('q4_1_bar.png', dpi=150)