Массив: Определить индекс элемента массива, значение которого наиболее близко к K.

x = raw_input('enter array (,)')
x = x.split(',')
K = input('enter var ')
index = None
n = 0
equal = False
check = 'ravno'
while equal == False:
    n += 1
    for i in range(len(x)):
        x[i] = int(x[i])
        if K == x[i]:
            index = i
            equal = True
            break
    if n % 2 == 0 and equal == False:
        K -= n
        check = 'var < K'
    if n % 2 != 0 and equal == False:
        K += n
        check = 'var > K'
 
xx = x*1        
 
if check == 'var < K':
    x[index] = x[(len(x)-1)]
    x[(len(x)-1)] = K
 
if check == 'var > K':
    x[index] = x[0]
    x[0] = K
    
print ('original = '+str(xx))
print ('resultat = '+str(x))
print ('index = '+str(index))
print (check)

import copy
 
x = input('enter array (,)')
x = list(map(int,x.split(',')))
xx = x.copy()
K = int(input('enter var '))
diff=dict((abs(K-i),x.index(i)) for i in x)
idx = 0 if K<x[diff[min(diff)]] else -1
x[idx], x[diff[min(diff)]] = x[diff[min(diff)]], x[idx]
 
print ('original = ', xx)
print ('resultat = ', x)
print ('index = ', diff[min(diff)])

lst = [int(it) for it in input('enter list: ').split()]
k = int(input('k = '))
 
print(lst)
 
i, dv = min(enumerate(lst), key=lambda x: abs(k - x[1]))
lst[-(dv > k)], lst[i] = lst[i], lst[-(dv > k)]
 
print(lst)
print(i)