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diff --git a/sqlalchemy_1x/main.py b/sqlalchemy_1.0/main.py
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diff --git a/sqlalchemy_1x/s1_models.py b/sqlalchemy_1.0/s1_models.py
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diff --git a/sqlalchemy_1x/s2.1_insert_data.py b/sqlalchemy_1.0/s2.1_insert_data.py
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diff --git a/sqlalchemy_1x/s2.2_fetch_data.py b/sqlalchemy_1.0/s2.2_fetch_data.py
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diff --git a/sqlalchemy_1x/s2.3_filter_data.py b/sqlalchemy_1.0/s2.3_filter_data.py
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diff --git a/sqlalchemy_1x/s2.4_update_data.py b/sqlalchemy_1.0/s2.4_update_data.py
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diff --git a/sqlalchemy_1x/s2.5_delete_data.py b/sqlalchemy_1.0/s2.5_delete_data.py
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diff --git a/sqlalchemy_1x/s2.6_join.py b/sqlalchemy_1.0/s2.6_join.py
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