Add files via upload

Author: akshad110

CalculatorProject/main.py

@@ -0,0 +1,53 @@
+import os
+
+def add(a,b):
+    return a+b
+def sub(a,b):
+    return a-b
+def mul(a,b):
+    return a*b
+def div(a,b):
+    if b==0:
+        return "invalid number."
+    else:
+        return a/b
+
+
+operation={
+    "+":add,
+    "-":sub,
+    "*":mul,
+    "/":div
+}
+
+def calculator():
+    num1 = float(input("Enter the number one: "))
+    for symbol in operation:
+        print(symbol)
+    flag = True
+    while flag:
+        op_symbol = input("Pick an operator: ")
+        num2 = float(input("Enter the number two: "))
+        calculator_function = operation[op_symbol]
+        output = calculator_function(num1, num2)
+        print(f"{num1} {op_symbol} {num2} = {output}")
+
+        should_cont = input(
+            f"Enter 'y' to continue calculation with {output} or 'n' to start with new calculation or 'x' to  exit: ").lower()
+        if should_cont == 'y':
+            num1 = output
+        elif should_cont == 'n':
+            flag = False
+            os.system('cls')
+            calculator()
+        else:
+            flag = False
+            print("Bye.")
+
+
+calculator()
+
+
+
+
+