回答編集履歴
1
ファイル書き出し例追加
test
CHANGED
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@@ -65,3 +65,83 @@
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65
65
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id_time[id_] = time
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```
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68
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ファイル書き出し例
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72
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75
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```python
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76
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import csv
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79
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from dateutil.parser import parse
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81
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82
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83
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filename = input("計算するcsvファイル名を入力してください(例:test5.csv):")
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84
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85
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distance = int(input("距離を入力してください(メートル):"))
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86
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87
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unit = input("計算するスピードの単位を決めてください 1:時速 2:分速 3:秒速 ")
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88
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UNITS = {"1": 3600, "2": 60, "3": 1}
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if unit not in UNITS:
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print("正しい値を入力してください");
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exit();
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unit = UNITS[unit]
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HEADER_OF_ID = 'id'
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HEADER_OF_TIME = 'datetime'
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def items():
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id_time = {}
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with open(f"./{filename}") as lines:
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header = next(lines).split(',')
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ID = header.index(HEADER_OF_ID)
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TIME = header.index(HEADER_OF_TIME)
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for line in lines:
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items = line.split(',')
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id_ = items[ID]
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time = parse(items[TIME])
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if id_ in id_time:
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yield (id_, distance / ((time - id_time[id_]).seconds / unit))
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del id_time[id_]
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else:
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136
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id_time[id_] = time
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with open(f"out.csv", "w") as output:
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writer = csv.writer(output, lineterminator="\n")
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writer.writerows(items())
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```
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