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def main():
final_value = 0
text_digits = {
"one": "1",
"two": "2",
"three": "3",
"four": "4",
"five": "5",
"six": "6",
"seven": "7",
"eight": "8",
"nine": "9"
}
with open("input", "r") as f:
for line in f:
line_strip = line.strip()
calibration_value = ""
text_digit_pos_first = -1
text_digit_value_first = None
for elem in text_digits.keys():
pos = line_strip.find(elem)
if pos >= 0:
if text_digit_pos_first == -1 or pos < text_digit_pos_first:
text_digit_pos_first = pos
text_digit_value_first = text_digits[elem]
text_digit_pos_last = -1
text_digit_value_last = None
for elem in text_digits.keys():
pos = line_strip.rfind(elem)
if pos >= 0:
if pos > text_digit_pos_last:
text_digit_pos_last = pos
text_digit_value_last = text_digits[elem]
for index, char in enumerate(line_strip):
if text_digit_pos_first != -1 and index >= text_digit_pos_first:
calibration_value += text_digit_value_first
break
if char.isdigit():
calibration_value += char
break
index = len(line_strip)
for char in reversed(line_strip):
index -= 1
if text_digit_pos_last != -1 and index <= text_digit_pos_last:
calibration_value += text_digit_value_last
break
if char.isdigit():
calibration_value += char
break
final_value += int(calibration_value)
print(final_value)
if __name__ == '__main__':
main()
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