Python 十進位制 十六進製制互轉

python-十進位制轉十六進製制

input_str = input("請輸入待轉十進位制數：")

deal_list = 
if input_str.isdecimal():
input_int = int(input_str)
while true:
if input_int != 0:
n = input_int % 16
input_int //= 16
elif input_int == 0:
deal_list.reverse()
break
deal_list = [str(k) for k in deal_list]
for j in deal_list:
if j == '10':
t = deal_list.index(j)
deal_list[t] = 'a'
elif j == '11':
t = deal_list.index(j)
deal_list[t] = 'b'
elif j == '12':
t = deal_list.index(j)
deal_list[t] = 'c'
elif j == '13':
t = deal_list.index(j)
deal_list[t] = 'd'
elif j == '14':
t = deal_list.index(j)
deal_list[t] = 'e'
elif j == '15':
t = deal_list.index(j)
deal_list[t] = 'f'
else:
pass
hex_str = ''.join(deal_list)
print("該十進位制數轉化為十六進製制數為：%s" % hex_str)
else:
print("輸入有誤，請重新輸入！")

input_str = input("請輸入待轉十六進製制數：")

hex_tuple = ('0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f')
hex_int = 0
is_pass = true
frist_deal = input_str.upper()
for s in frist_deal:
if s in hex_tuple:
pass
else:
print("所輸入待轉十六進製制數有誤，請重新輸入！")
is_pass = false
break
if is_pass:
hex_list = [str(j) for j in frist_deal]
for u in hex_list:
if u == 'a':
i = hex_list.index('a')
hex_list[i] = '10'
elif u == 'b':
i = hex_list.index('b')
hex_list[i] = '11'
elif u == 'c':
i = hex_list.index('c')
hex_list[i] = '12'
elif u == 'd':
i = hex_list.index('d')
hex_list[i] = '13'
elif u == 'e':
i = hex_list.index('e')
hex_list[i] = '14'
elif u == 'f':
i = hex_list.index('f')
hex_list[i] = '15'
else:
pass
t = len(hex_list) - 1
for y in hex_list:
hex_int += int(y) * 16 ** t
t -= 1
print("該十六進製制數轉化為十進位制數為：%d" % hex_int)

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