Python:
from typing import NoReturn
from os import system
class calculator:
def addition(numberOfNumbers=int):
for x in range(numberOfNumbers):
exec(f"number{x}=float")
for x in range(numberOfNumbers):
number[x]=float(input(f"Number{x}: "))
for x in range(numberOfNumbers):
number[x]+=__result__
print(f"Result={__result__}")
a=input()
def subtraction():
number1=float(input("Number 1: "))
number2=float(input("Number 2: "))
print("Result=",(number1-number2))
a=input()
def multiplication(numberOfNumbers=int):
for x in range(numberOfNumbers):
number[x]=float
x+=1
for x in range(numberOfNumbers):
number[x]=int(input(f"Number{y}: "))
for x in range(numberOfNumbers):
number[x]+=__result__
print(f"Result={__result__}")
a=input()
def division():
number1=float(input("Number 1: "))
number2=float(input("Number 2: "))
print("Result=",(number1/number2))
a=input()
while(True):
system("cls")
try:
action=int(input("1: Addition\n2: Substraction\n3: Multiplication\n4: Division\n0: Exit\nAction: "))
if(action==0):
print("Action approved")
break
elif(action==1):
num=float(input("Number of numbers: "))
calculator.addition(num-1)
elif(action==2):
calculator.subtraction()
elif(action==3):
num=float(input("Number of numbers: "))
calculator.multiplication(num-1)
elif(action==4):
calculator.division()
else: NoReturn
except TypeError:
system("cls")
raise("Error")
