text_plain_output_1.png
import pandas as pd

path = '../input/mobile-games-ab-testing/cookie_cats.csv'
df = pd.read_csv(path)

df.shape

df.userid = df.userid.astype(str)

df.userid.dtypes

df.version.unique()

control = df[df['version'] == 'gate_30']

control.shape[0]