Problem set 2- 10 - Time to Hour

import pandas

def time_to_hour(time):
    '''
    Given an input variable time that represents time in the format of:
    "00:00:00" (hour:minutes:seconds)
    
    Write a function to extract the hour part from the input variable time
    and return it as an integer. For example:
        1) if hour is 00, your code should return 0
        2) if hour is 01, your code should return 1
        3) if hour is 21, your code should return 21
        
    Please return hour as an integer.
    '''
    
    hour = int(time[0:2])
    # your code here
    return hour