Модуль 4. Строки. Списки. Часть 2. Задание 1

expression = input("Введите арифметическое выражение: ")

if "+" in expression:
    expression = expression.split("+")
    print(f"{expression[0]} + {expression[1]} = {int(expression[0]) + int(expression[1])}")
elif "-" in expression:
    expression = expression.split("-")
    print(f"{expression[0]} - {expression[1]} = {int(expression[0]) - int(expression[1])}")
elif "**" in expression:
    expression = expression.split("**")
    print(f"{expression[0]} ** {expression[1]} = {int(expression[0]) ** int(expression[1])}")
elif "*" in expression:
    expression = expression.split("*")
    print(f"{expression[0]} * {expression[1]} = {int(expression[0]) * int(expression[1])}")
elif "/" in expression:
    expression = expression.split("/")
    print(f"{expression[0]} / {expression[1]} = {int(expression[0]) / int(expression[1])}")
else:
    print("Ошибка! Либо нет такой операции, либо нарушен формат ввода!")