# your code goes here
import pandas as pd 
from dateutil import parser
from datetime import date
from datetime import datetime
today = date.today()
midnight = datetime.combine(today, datetime.min.time())
 

df = pd.DataFrame([[1,'1h:2m'],[2,'1h:58m'],[3,'35m'],[4,'2h']],columns=['id','time'])


df['time'] = df['time'].apply(lambda x: (parser.parse(x, fuzzy=True)) - midnight)

print(df)
print(df['time'].mean())