decimal to binary and binary to decimal

print("   MENU  ")
print("1.Binary to decimal")
print("2.Decimal to binary")
choice=int(input("Enter your choice(1/2):"))
if(choice==1):
    b=int(input("Enter the binary number:"))
    temp=b
    p=1
    n=0
    while(temp):
        rem=temp%10
        temp=temp//10
        n=n+(rem*p)
        p=p*2
    print(n)
elif(choice==2):
    d=int(input("enter a decimal number:"))
    bi=''
    while(d):
        rem=d%2
        d=d//2
        bi=bi+str(rem)
    bi=bi+str(d)
    print(bi[::-1])
else:
    print("Wrong choice")