回答編集履歴
1
valuesの場合を追加
test
CHANGED
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@@ -63,3 +63,41 @@
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63
63
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Int64Index([1, 3], dtype='int64')
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64
64
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65
65
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```
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66
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+
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67
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+
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68
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+
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69
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valuesを使うと、indexがなくなるので、位置だけで決まるようになります。
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70
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+
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71
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72
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73
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```python
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74
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+
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75
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>>> print(df1)
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76
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+
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77
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a b
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78
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+
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79
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0 1 ああ
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80
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+
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81
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1 3 いい
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82
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+
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83
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>>> print(df2)
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84
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85
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a b
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86
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87
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1 2 かか
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88
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89
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3 4 きき
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90
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91
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>>> df1['new_a'] =df1['a']
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92
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93
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>>> df1['new_b'] =df2['b'].values
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94
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95
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>>> print(df1)
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96
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97
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a b new_a new_b
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98
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99
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0 1 ああ 1 かか
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100
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+
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101
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1 3 いい 3 きき
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102
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103
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```
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