From ebe20653bd3055bb6066fffd03547c17a7de80d8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=83=AD=E5=AE=87=E6=B6=B5?=
 <2509165016@student.example.com>
Date: Sun, 5 Jul 2026 18:35:55 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=20q4-1.py?=
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---
 q4-1.py | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 q4-1.py

diff --git a/q4-1.py b/q4-1.py
new file mode 100644
index 0000000..dbd889b
--- /dev/null
+++ b/q4-1.py
@@ -0,0 +1,28 @@
+# q4/q4_1/q4_1.py
+import json
+import matplotlib.pyplot as plt
+
+# 读取电影数据
+with open("../q2_1_crawler/movies.json", "r", encoding="utf-8") as f:
+    data = json.load(f)
+movies = data["movies"]
+
+# 统计类型数量
+genre_dict = {}
+for m in movies:
+    g = m["genre"]
+    genre_dict[g] = genre_dict.get(g, 0) + 1
+
+x = list(genre_dict.keys())
+y = list(genre_dict.values())
+
+# 绘制柱状图
+plt.bar(x, y)
+plt.title("类型电影数量分布")
+plt.xlabel("电影类型")
+plt.ylabel("电影数量")
+plt.tight_layout()  # 防止文字重叠
+
+# 保存图片 dpi=150
+plt.savefig("q4_1_bar.png", dpi=150)
+plt.show()
\ No newline at end of file