with open("13_BigNumber.txt", "r") as f:
    data = f.read()

nums = []
for line in data.strip().split("\n"):
    nums.append(line)

s = sum(int(i) for i in (nums))
print(s)

d82253a48883842b87fd1a6e26d4b4abd880de74
<mask token>

with open('13_BigNumber.txt', 'r') as f:
    data = f.read()
<mask token>
for line in data.strip().split('\n'):
    nums.append(line)
<mask token>
print(s)

with open('13_BigNumber.txt', 'r') as f:
    data = f.read()
nums = []
for line in data.strip().split('\n'):
    nums.append(line)
s = sum(int(i) for i in nums)
print(s)

with open("13_BigNumber.txt", "r") as f:
    data = f.read()

nums = []
for line in data.strip().split("\n"):
    nums.append(line)

s = sum(int(i) for i in (nums))
print(s)
