Source code for kyu_7.basic_math_add_or_subtract.calculate

#  Created by Egor Kostan.
#  GitHub: https://github.com/ikostan
#  LinkedIn: https://www.linkedin.com/in/egor-kostan/


[docs]def calculate(s: str) -> str:
    CONVERSION = {
        'plus': '+',
        'minus': '-',
    }

    s = s.lower()
    for key in CONVERSION:
        if key in s:
            s = s.replace(key, CONVERSION[key])

    return str(eval(s))