import sys
from Time import *

# This function takes as input a string s of the form "09.45AM"
# and returns a Time object for the time denoted by s
def generate_time(s):
  pass

# This function takes as input fname and returns a list of non-comment 
# lines from the file
def read_data(fname):
  pass

# This function takes a list of non-comment lines from input and 
# returns a list of triples (from,to,nsteps) corresponding to the
# non-comment lines
def extract_data_parts(data):
  pass

# This function takes a list of triples (from,to,nsteps) and
# removes and prints "bad" data - in which from-time is after to-time
def remove_bad_data(data):
  pass

# This function takes a list of triples (from,to,nsteps) and 
# returns total number of steps and total number of walking minutes
# in the data
def compute_stats(data):
  pass

def main():
  total_steps,total_minutes = compute_stats(remove_bad_data(extract_data_parts(read_data(sys.argv[1]))))
  print("\nTotal steps: ",total_steps)
  print("Hourly steps rate: ",int(total_steps/(total_minutes/60)),"\n")

main()