blob: b42d45790f18b08a226c960428a424f29c718f3d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
|
#!/usr/bin/env python
# -*- coding: utf-8 -*-
from datetime import datetime
def date_finder(input_str):
if len(input_str) != 7:
raise ValueError("Input must be 7 digits long")
century_digit = input_str[0]
year_digits = input_str[1:3]
month_digits = input_str[3:5]
day_digits = input_str[5:7]
century = "20" if century_digit == "1" else "19"
year = f"{century}{year_digits}"
if int(month_digits) < 1 or int(month_digits) > 12:
raise ValueError("Invalid month")
try:
datetime.strptime(f"{year}-{month_digits}-{day_digits}", "%Y-%m-%d")
except ValueError:
raise ValueError("Invalid day")
return f"{year}-{month_digits}-{day_digits}"
print(date_finder("2230120")) # 1923-01-20
|
