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First solution in Clear category for Excel Column Number by kavishhh
def column_number(name: str) -> int:
# your code here
result = 0
for char in name:
digit = ord(char) - ord('A') + 1
result = result * 26 + digit
return result
print("Example:")
print(column_number("AA"))
# These "asserts" are used for self-checking
assert column_number("A") == 1
assert column_number("Z") == 26
assert column_number("AB") == 28
assert column_number("ZY") == 701
print("The first mission is done! Click 'Check' to earn cool rewards!")
Oct. 20, 2025
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