回答編集履歴
2
追記
test
CHANGED
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@@ -69,3 +69,43 @@
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69
69
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print(emb)
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70
70
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71
71
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```
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72
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+
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73
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+
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74
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+
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75
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+
コメントを受けて
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76
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+
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77
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+
---
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78
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+
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79
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+
> もし"Query="が複数ある場合でそのすべてを同じように抽出するときはどう書けばいいでしょうか。
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80
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+
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81
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+
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82
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+
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83
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+
```Python
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84
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+
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85
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+
with open(r'blastn.txt') as fin:
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86
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+
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87
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+
while True:
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88
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+
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89
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for line in fin:
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90
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91
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if 'Query=' in line: # line.startswith('Query=') の方が良い
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92
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93
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print(line[:-1])
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94
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95
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break
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96
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+
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97
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else:
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98
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+
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99
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break
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100
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+
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101
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+
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102
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+
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103
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for _ in range(5):
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104
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+
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105
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next(fin)
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106
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+
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107
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+
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108
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+
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109
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print(next(fin)[:-1])
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110
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+
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111
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+
```
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1
追記
test
CHANGED
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@@ -23,3 +23,49 @@
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23
23
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print(next(fin)[:-1])
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24
24
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25
25
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```
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26
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+
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27
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28
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+
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29
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+
---
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30
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+
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31
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ちょっと捻っても書けます。参考までに。
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32
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+
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33
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```Python
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34
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+
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35
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import collections
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36
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+
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37
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+
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38
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39
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queue = collections.deque(maxlen=7)
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40
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41
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for _ in range(queue.maxlen):
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42
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43
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queue.append('')
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44
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45
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+
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46
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+
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47
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with open(r'blastn.txt') as fin:
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48
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+
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49
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for line in map(str.rstrip, fin):
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50
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+
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51
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queue.append(line)
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52
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+
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53
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+
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54
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+
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55
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if queue[0].startswith('Query='):
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56
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+
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57
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break
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58
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+
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59
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else:
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60
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+
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61
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raise ValueError
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62
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+
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63
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64
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+
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65
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+
q, *_, emb = queue
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66
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+
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67
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print(q)
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68
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+
|
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69
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+
print(emb)
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70
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+
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71
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+
```
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