Calculator test

calculator.py

@@ -0,0 +1,28 @@
+def sum(a: int, b: int) -> int:
+    return a + b
+
+def diff(a: int, b: int)-> int:
+    return a-b
+
+def mul(a: int, b: int)-> int:
+    return a*b
+
+def div(a: int, b:int)-> int:
+    return a/b
+
+if __name__=="__main__":
+    a= int(input ("Enter the first number: "))
+    b= int(input ("Enter the second number: "))
+
+    s= sum(a,b)
+    df= diff(a,b)
+    m= mul(a,b)
+
+    print (f"The sum is {s} ")
+    print (f"The difference is {df} ")
+    print (f"The multiplication is {m} ")
+
+    if b==0: print("The division is not possible") 
+    else: 
+        dv= div(a,b) 
+        print(f"The division is {dv} ")

calculator_test.py

@@ -0,0 +1,19 @@
+from calculator import sum,diff,mul,div
+
+def test_sum()-> None:
+    assert sum(2,5)== 7
+    assert sum(2,1.5)==3.5
+
+def test_diff()->None:
+    assert diff(8,2)==6
+    assert diff(2,4)==-2
+
+def test_mul()->None:
+    assert mul(2,0)==0
+    assert mul(3,4)==12
+
+def test_div()->None:
+    assert div(5,10)==0.5
+    assert div(10,5)==2
+    assert div(3,1)==3
+