Python program to convert binary to decimal

Write a program to convert binary to decimal.

num=int(input("Enter Any Binary Number : "))
decimal=0
count=0
while num>0:
    digit=num%10
    decimal=decimal+digit*(2**count)
    num=num//10
    count=count+1
print("Decimal Value : ",decimal)

Enter Any Binary Number : 101

Decimal Value :  5

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Enter Any Binary Number : 1001

Decimal Value :  9