Maruyama

chap_1/ex00.py

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+# -*- coding: utf-8 -*-
+s="stressed"
+print(s[::-1])

chap_1/ex01.py

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+# -*- coding:utf-8 -*-
+s = "パタトクカシーー"
+print(s[::2])

chap_1/ex02.py

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+# -*- coding: utf-8 -*-
+from itertools import chain
+word1 = "パトカー"
+word2 = "タクシー"
+
+merged_word = ''.join(chain(*zip(word1, word2)))
+print(merged_word)

chap_1/ex03.py

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+# -*- coding: utf-8 -*-
+s = """Now I need a drink, alcoholic of course, after the heavy lectures
+ involving quantum mechanics."""
+s = s.replace(",", "").replace(".", "")
+s = s.split(' ')
+print(s)
+
+num = [len(s[a]) for a in range(15)]
+print(num)

chap_1/ex04.py

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+# -*- coding: utf-8 -*-
+s = """Hi He Lied because Boron Could Not Oxidize Fluorine. New Nations Might
+ Also Sign Peace Security Clause. Arthur King Can"""
+
+s = s.replace(",", "").replace(".", "")
+s = s.split(' ')
+el = {}
+
+indexs = [0, 4, 5, 6, 7, 8, 14 ,15 ,18]
+
+for index, word in enumerate(s):
+    if index in indexs:
+        el[index+1] = word[0]
+    else:
+        el[index+1] = word[0]+word[1]
+
+print(el)

chap_1/ex05.py

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+# -*- coding: utf-8 -*-
+def ngram_str(words, n):
+    yield from zip(*(words[n:] for n in range(n)))
+
+
+def ngram_word(words, n):
+    words = words.split(" ")
+    yield from zip(*(words[n:] for n in range(n)))
+
+
+for num in ngram_str("I am a NLPer", 2):
+    print(num)
+
+print("\n")
+
+for num in ngram_word("I am a NLPer", 2):
+    print(num)

chap_1/ex06.py

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+# -*- coding: utf-8 -*-
+def n_gram_str(s, n):
+    length = len(s)
+    return [s[i:i+n] for i in range(0, length, n)]
+
+
+s1 = "paraparaparadise"
+s2 = "paragraph"
+
+X = set(n_gram_str(s1, 2))
+Y = set(n_gram_str(s2, 2))
+
+print("X = "+str(X))
+print("Y = "+str(Y))
+
+print("intersection = "+str(X & Y))
+print("union = "+str(X | Y))
+print("difference = "+str(X - Y))
+
+print("se" in list(X | Y))

chap_1/ex07.py

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+# -*- coding: utf-8 -*-
+def weather(x, y, z):
+    return("{}時の{}は{}".format(x, y, z))
+
+
+print(weather("12", "気温", "22.4℃"))

chap_1/ex08.py

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+# -*- coding: utf-8 -*-
+def cipher(s):
+    return "".join([chr(219-ord(c)) if c.islower() else c for c in s])
+
+sentence = "abCdeFg"
+print(cipher(sentence))
+print(cipher(cipher(sentence)))

chap_1/ex09.py

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+# coding: utf-8
+import random
+
+def rand1(word):
+    if len(word) <= 4:
+        return word
+    m = list(word[1:-1])
+    random.shuffle(m)
+    return word[0] + "".join(m) + word[-1]
+
+
+
+sentence = """\
+I couldn't believe that I could actually understand \
+what I was reading : the phenomenal power of the human mind .\
+"""
+
+print(" ".join(map(rand1, sentence.split())))

chap_2/input.txt

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+高知県	江川崎	41	2013-08-12
+埼玉県	熊谷	40.9	2007-08-16
+岐阜県	多治見	40.9	2007-08-16
+山形県	山形	40.8	1933-07-25
+山梨県	甲府	40.7	2013-08-10
+和歌山県	かつらぎ	40.6	1994-08-08
+静岡県	天竜	40.6	1994-08-04
+山梨県	勝沼	40.5	2013-08-10
+埼玉県	越谷	40.4	2007-08-16
+群馬県	館林	40.3	2007-08-16
+群馬県	上里見	40.3	1998-07-04
+愛知県	愛西	40.3	1994-08-05
+千葉県	牛久	40.2	2004-07-20
+静岡県	佐久間	40.2	2001-07-24
+愛媛県	宇和島	40.2	1927-07-22
+山形県	酒田	40.1	1978-08-03
+岐阜県	美濃	40	2007-08-16
+群馬県	前橋	40	2001-07-24
+千葉県	茂原	39.9	2013-08-11
+埼玉県	鳩山	39.9	1997-07-05
+大阪府	豊中	39.9	1994-08-08
+山梨県	大月	39.9	1990-07-19
+山形県	鶴岡	39.9	1978-08-03
+愛知県	名古屋	39.9	1942-08-02

chap_2/un10.py

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+# -*- coding: utf-8 -*-
+line_number = 0
+with open('input.txt') as input_file:
+    for line in input_file:
+        line_number += 1
+
+    print("行数:"+str(line_number))

chap_2/un11.py

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+# -*- coding: utf-8 -*-
+with open('input.txt') as input_file:
+    with open('un11_output.txt','w') as output_file:
+        for line in input_file:
+            line = line.replace("\t", " ")
+            output_file.write(line)

chap_2/un12.py

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+# -*- coding: utf-8 -*-
+with open('input.txt') as input_file:
+    with open('col1.txt', 'w') as output1_file:
+            with open('col2.txt', 'w') as output2_file:
+                for line in iter(input_file.readlines()):
+                    output1_file.writelines(line.split('\t')[0]+'\n')
+                    output2_file.writelines(line.split('\t')[1]+'\n')