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- data = []
- file = open('input.txt','r')
- for s in file:
- val = s.split(':')
- data.append(val)
- valid = 0
- for d in data:
- search = d[0][-1]
- amount = d[0].replace(' ' + search,'').split('-')
- low = int(amount[0])
- high = int(amount[1])
- count = 0
- if (d[1][low] == search) != (d[1][high] == search):
- valid += 1
- print(valid)
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