#function to find all the columns in dataframe which are object and convert them to float

def object_to_float(x):
    object_columns = df.select_dtypes(include=['object']).columns
    object_names = object_columns[1:] #only done in this case to handle sid
    for column in object_names:
        x[column] = x[column].astype(float)

object_to_float(df)
    return x