Merge pull request Show-Me-the-Code#12 from renzongxian/master

horx · horx · commit 562d0d06a406 · 2014-12-09T10:37:50.000+08:00
Add solutions to 0005,0006
diff --git a/renzongxian/0005/0005.py b/renzongxian/0005/0005.py
@@ -0,0 +1,40 @@
+# Source:https://github.com/Show-Me-the-Code/show-me-the-code
+# Author:renzongxian
+# Date:2014-12-08
+# Python 3.4
+
+"""
+
+你有一个目录，装了很多照片，把它们的尺寸变成都不大于 iPhone5 分辨率（1136*640）的大小。
+
+"""
+
+from PIL import Image
+import os
+import sys
+
+
+def resize_image(image):
+    im = Image.open(image)
+    weight, height = im.size
+    if weight > 1136 or height > 640:
+        dw = weight / 1136
+        dh = height / 640
+        ds = max(dw, dh)
+        new_weight = int(weight / ds)
+        new_height = int(height / ds)
+        im = im.resize((new_weight, new_height))
+        print("Succeed to resize the image %s to %s*%s " % (image,  new_weight, new_height))
+        im.save(image)
+    else:
+        print("The image %s doesn't need to be resized." % image)
+
+
+if __name__ == "__main__":
+    if len(sys.argv) <= 1:
+        print("Need at least 1 parameter. Try to execute 'python 0005.py $dir_path'")
+    else:
+        for dir_path in sys.argv[1:]:
+            for image_name in os.listdir(dir_path):
+                image_path = os.path.join(dir_path, image_name)
+                resize_image(image_path)
diff --git a/renzongxian/0006/0006.py b/renzongxian/0006/0006.py
@@ -0,0 +1,45 @@
+# Source:https://github.com/Show-Me-the-Code/show-me-the-code
+# Author:renzongxian
+# Date:2014-12-08
+# Python 3.4
+
+"""
+
+第 0006 题：你有一个目录，放了你一个月的日记，都是 txt，为了避免分词的问题，假设内容都是英文，请统计出你认为每篇日记最重要的词。
+
+"""
+
+import os
+import sys
+import re
+
+
+def important_word(target_file):
+    file_object = open(target_file, 'r')
+    file_content = file_object.read()
+
+    # Split the string
+    p = re.compile(r'[\W\d]*')
+    word_list = p.split(file_content)
+
+    word_dict = {}
+    for word in word_list:
+        if word not in word_dict:
+            word_dict[word] = 1
+        else:
+            word_dict[word] += 1
+    sort = sorted(word_dict.items(), key=lambda e: e[1], reverse=True)
+
+    print("The most word in '%s' is '%s', it appears %s times" % (target_file, sort[0][0], sort[0][1]))
+    print("The second most word in '%s' is '%s', it appears %s times" % (target_file, sort[1][0], sort[1][1]))
+    file_object.close()
+
+
+if __name__ == "__main__":
+    if len(sys.argv) <= 1:
+        print("Need at least 1 parameter. Try to execute 'python 0006.py $dir_path'")
+    else:
+        for dir_path in sys.argv[1:]:
+            for file_name in os.listdir(dir_path):
+                file_path = os.path.join(dir_path, file_name)
+                important_word(file_path)
