def test2(self):
df = df_example1.copy()
out_df = select_column(df, ['num2'], ['num22'], ['double'])['out_table']
print(df)
print(df.dtypes)
print(out_df)
print(out_df.dtypes)
def test3(self):
df = df_example1.copy()
out_df = select_column(df, ['num1', 'num2', 'str1'], ['num11', 'num22'], ['int', 'string', 'double'])['out_table']
print(df)
print(df.dtypes)
print(out_df)
print(out_df.dtypes)
def test1(self):
df = df_example1.copy()
out_df = select_column(df, ['num2', 'str1'])['out_table']
print(df)
print(out_df)