in src/main_demo_data_transformer.py [0:0]
def generate_random_email(self, df, column_name):
names = ["".join(random.sample(string.ascii_lowercase, 10)) for i in range(df.shape[0])]
domains = ["".join(random.sample(string.ascii_lowercase, 5)) for i in range(df.shape[0])]
df[column_name] = [f"{n}@{d}.com" for (n, d) in zip(names, domains)]
return df