Created
December 29, 2020 22:04
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My solution to calculate days between two dates using python
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def is_leap_year(year): | |
if year % 4 != 0: | |
return False | |
elif year % 100 != 0: | |
return True | |
elif year % 400: | |
return False | |
else: | |
return True | |
def days_between_dates(y1, m1, d1, y2, m2, d2): | |
days1 = 0 | |
days2 = 0 | |
days_of_months = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31] | |
if is_leap_year(y1): | |
days_of_months[1] = 29 | |
month = 1 | |
while(month < m1): | |
days1 += days_of_months[month] | |
month += 1 | |
days1 += d1 | |
if not is_leap_year(y2): | |
days_of_months[1] = 28 | |
month = 1 | |
while(month < m2): | |
days2 += days_of_months[month] | |
month += 1 | |
days2 += d2 | |
days = days2 - days1 | |
while y1 < y2: | |
if is_leap_year(y1): | |
days += 366 | |
else: | |
days += 365 | |
y1 += 1 | |
return days | |
print(str(days_between_dates(2012, 2, 1, 2012, 2, 2)) + ' day(s)') | |
print(str(days_between_dates(2012, 2, 1, 2014, 2, 2)) + ' day(s)') |
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