题解 | #进制转换#
进制转换
https://www.nowcoder.com/practice/8f3df50d2b9043208c5eed283d1d4da6
import sys
inputdata=list(input().strip())#split后就直接成列表了
A=inputdata[2:]
# print(A)
X=['A','B','C','D','E','F']
ans=0
for i in range(len(A)):
if A[i] in X:
num=X.index(A[i])+10
else:
num=int(A[i])
ans=ans+num*(16**(len(A)-i-1))#踩坑:**才是幂运算
print(ans)