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Hexadecimal to Decimal
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Hexadecimal to Decimal

EasyPython

Problem

Convert a hexadecimal number to decimal.

Implement def hex_to_decimal(hex_str):. The input is a non-empty string containing hexadecimal digits 0-9, A-F, or a-f, without a sign or prefix. Return its equivalent non-negative decimal integer.

Constraints

  • 1 <= len(hex_str) <= 1000
  • hex_str contains only hexadecimal digits: 0-9, A-F, or a-f
  • hex_str does not contain a sign or prefix such as 0x

Function Signature

def hex_to_decimal(hex_str):
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