This needs to be run through the tester file and pass all casses.

# your name
# your NetID
# your SBU ID number
# CSE 101
# Homework 3
# Part I
def hour_minute_to_str(hour, minute):
if hour < 0 or hour > 23:
return 'error'
if minute < 0 or minute > 59:
return 'error'
tstr = ''
if hour < 10:
tstr += '0'
tstr += str(hour)
tstr += ':'
if minute < 10:
tstr += '0'
tstr += str(minute)
return tstr
# Part II
def sleep_minutes(current_time):
...