"""
	Toy program to open a file and print the first 10 lines.
"""
def get_date(line):
    return line.split(',')[1]

n = 200000
filename = 'NIBRSPublicView2025.csv'

count = {}  # initialize a count object.
#   count['1/1/2025'] = 1
with open(filename, 'r') as f:
    #   next(f)  # This reads and discards the first line, the heading.
    f.readline()
    for i, line in enumerate(f):
        if i < n:
            print(f"[{i+1}] {line.strip()}")  # .strip() removes leading/trailing whitespace, including newlines
            date = get_date(line)
            print(f"date: {date}")
            if date in count:
                # not the first occurence of date.
                count[date] += 1
                print(f"{date}: {count[date]}")
            else:
                count[date] = 1
                print(f"{date}: {count[date]}")
        else:
            break
            
print("Houston crime incidences reported to FBI NIBRS in 2025")
#   Iterate through count and print the result.
for date, value in count.items():
    print(f"{date}: {value}")