Created
February 22, 2022 19:58
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Shows all ambigram dates between two given years
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''' | |
Dados os dois anos abaixo, este programa exibe todas as datas | |
que são tanto palíndromas (capicuas) como ambigramas (rotacionais). | |
''' | |
ANO_INI = 2000 | |
ANO_FIM = 2100 | |
import datetime as dt | |
# representação em display de 7 segmentos | |
seg_rep = { | |
'0': ('###', '# #', '# #', '# #', '###'), | |
'1': (' #', ' #', ' #', ' #', ' #'), | |
'2': ('###', ' #', '###', '# ', '###'), | |
'3': ('###', ' #', '###', ' #', '###'), | |
'4': ('# #', '# #', '###', ' #', ' #'), | |
'5': ('###', '# ', '###', ' #', '###'), | |
'6': ('###', '# ', '###', '# #', '###'), | |
'7': ('###', ' #', ' #', ' #', ' #'), | |
'8': ('###', '# #', '###', '# #', '###'), | |
'9': ('###', '# #', '###', ' #', '###'), | |
} | |
# representação espelho em display de 7 segmentos | |
rev_seg_rep = { | |
'0': ('###', '# #', '# #', '# #', '###'), | |
'1': (' #', ' #', ' #', ' #', ' #'), | |
'2': ('###', ' #', '###', '# ', '###'), | |
'3': ('###', '# ', '###', '# ', '###'), | |
'4': ('# ', '# ', '###', '# #', '# #'), | |
'5': ('###', '# ', '###', ' #', '###'), | |
'6': ('###', '# #', '###', ' #', '###'), | |
'7': ('# ', '# ', '# ', '# ', '###'), | |
'8': ('###', '# #', '###', '# #', '###'), | |
'9': ('###', '# ', '###', '# #', '###'), | |
} | |
# exibe na tela a representação em 7 segmentos | |
def led_display(num, rev=False): | |
if rev: | |
digits = [rev_seg_rep[digit] for digit in reversed(str(num))] | |
else: | |
digits = [seg_rep[digit] for digit in str(num)] | |
ret = '' | |
for i in range(5): | |
ret += " ".join(s[i] for s in digits) + "\n" | |
return ret | |
def ambigrama(num): | |
return led_display(num) == led_display(num, True) | |
# onde tudo começa... | |
dt_ini = dt.date(ANO_INI,1,1) | |
dt_fim = dt.date(ANO_FIM,12,31) | |
delta = dt.timedelta(days=1) | |
while dt_ini <= dt_fim: | |
dia = dt_ini.strftime("%d%m%Y") | |
if ambigrama(dia): | |
print("{} é um capicua e um ambigrama".format(dt_ini.strftime("%d/%m/%Y"))) | |
print(led_display(dia)) | |
dt_ini = dt_ini + delta |
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