Initial commit: Python learning project with examples and exercises

python代码/Python讲例/哈姆莱特统计/6-3哈姆雷特统计.py

@@ -0,0 +1,20 @@
+#e10.2CalHamlet.py
+excludes = {"the","and","of","you","a","i","my","in"}
+def gettext():
+    txt = open("hamlet.txt", "r").read()
+    txt = txt.lower()
+    for ch in '!"#$%&()*+,-./:;<=>?@[\\]^_‘{|}~':
+        txt = txt.replace(ch, " ")   #将文本中特殊字符替换为空格
+    return txt
+hamletTxt = gettext()
+words  = hamletTxt.split()
+counts = {}
+for word in words:			
+    counts[word] = counts.get(word,0) + 1
+for word in excludes:
+    del(counts[word])    
+items = list(counts.items())
+items.sort(key=lambda x:x[1], reverse=True) 
+for i in range(10):
+    word, count = items[i]
+    print ("{0:<10}{1:>5}".format(word, count))