I need help with a code to convert any base number into a decimal number, where user input is involved?

Question

number systems

Answer 1

please link your code here using the code play ground so that other users can help you out

Answer 2

let me give you a trick i learned to change different base numbers and turn it into decimal (base 10).

int(value, baseOfValue)

changing binary into decimal
base 2 into base 10

num = "1100"
print(int(num, 2))

>>>
12

changing hexadecimal into decimal.
base 16 into base 10

num = "c6"
print(int(num, 16))

>>>
198

Answer 3

bin -> int
hex -> int
oct -> int

int(input())