advent-of-code/2017/day-1-part-1.py

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2019-12-01 15:03:09 -06:00
#!/usr/bin/env python3
import sys
def digits(digitString):
index = 0
final = 0
while index < len(digitString):
ds1 = digitString[index]
ds2 = "-1"
if index == len(digitString) - 1:
ds2 = digitString[0]
else:
ds2 = digitString[index + 1]
if ds1 == ds2:
final += int(digitString[index])
print("DS[{}]: {}".format(index, digitString[index]))
index += 1
print("Answer: {}".format(final))
if __name__ == "__main__":
if len(sys.argv) < 2:
print("Please provide an argument with your string of digits.")
else:
digits(sys.argv[1])