Add files via upload

Author: MohapatraSwostik

calculator.py

@@ -0,0 +1,44 @@
+import math
+n1=int(input("Enter 1st number :"))
+n2=int(input("Enter 2nd number :"))
+c=input("Enter operation to be performed :")
+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):
+    return (a/b)
+def exp(a,b):
+    return (a**b)
+def log(a):
+    return math.log(a)
+if(c=="add"):
+    r=add(n1,n2)
+    print(r)
+elif(c=="sub"):
+    r=sub(n1,n2)
+    print(r)   
+elif(c=="mul"):
+    r=mul(n1,n2)
+    print(r) 
+elif(c=="div"):
+    r=div(n1,n2)
+    print(r) 
+elif(c=="log"):
+    n=(int)(input("log of 1 or 2?"))
+    if(n==1):
+        r=log(n1)
+        print(r)
+    elif(n==2):
+        r=log(n2)
+        print(r) 
+elif(c=="exp"):
+    r=exp(n1,n2)
+    print(r)      
+    
+
+
+
+