Problem p02723 (python)

Fixed submission:
S = input()

if len(S) >= 6:
    if S[2] is S[3] and S[4] is S[5]:
        print ("Yes")
        exit()
print ("No")

Buggy submission (verdict: Runtime Error):
# maintain overall min 
# iterate over two loops 
# find the absolute distance and before exiting the first maintain overall min
# also check the distance of last and first house
def findDistBetween(i,j):
    return abs(i - j)

def minDistfindDistBetweenLastAndFirstHouse(i,j):
    dist = findDistBetween(i, j)
    return K - dist 

K, N = input().split()
As = input().split()

K = int(K)
N = int(N)

# print ("As is")
# print (As)
# print (As.split())
A = [0] * len(As)
for i in range(len(As)):
    A[i] = int(As[i])
    
# A = list(map(lambda x: int(x), As))
# print (A)
# overAllMin = float('inf')
# minDist = 0 
# for i in range(N):
#     minDist = 0
#     for j in range(N):
#         # print (i, j)
#         minDist += findDistBetween(A[i], A[j])
#     # find the dist b/w last and first house
#     # minDist2 = minDistfindDistBetweenLastAndFirstHouse(A[0], A[-1])
#     # minDist = min(minDist, minDist2)
#     print ("Min dist", minDist)
#     # print ("min dist2", minDist2)
#     overAllMin = min(overAllMin, minDist)

# print (overAllMin)
overAllMin = float('inf')
Arev = list(reversed(A))
dist1 = 0 
dist2 = 0
prevHouse = -1
for i in range(N):
    # print ("PRev house", prevHouse)
    # print ("Next house", A[i])

    dist1 = max(findDistBetween(A[i], prevHouse), dist1)
    prevHouse = A[i]
    

ma = max(dist1, minDistfindDistBetweenLastAndFirstHouse(A[0], A[-1]))
print (K - ma)
# for i in range(N):
#     count = 0
#     curHouse = A[i]
#     j = i
#     flag0 = 0 
#     flag1 = 0
#     dist1 = 0 
#     dist2 = 0
#     while count < N:
#         if flag0 is 0:
#             dist1 += findDistBetween(curHouse, A[j])
#         curHouse = A[j]
#         j += 1
#         flag0 = 0
#         count += 1

#         if j == N and count < N: 
#             print ("in condition")
#             j = 0
#             dist1 += minDistfindDistBetweenLastAndFirstHouse(A[0], A[-1])
#             flag0 = 1
        
        # count += 1

        # print ("dist1", dist1)

    # count = 0
    # curHouse = A[i]
    # j = i
    # while count < N:
    #     if flag1 is 0:
    #         dist2 += findDistBetween(curHouse, A[j])
    #     curHouse = A[j]
    #     j -= 1
    #     count += 1
    #     flag1 = 0
    #     if j == -1 and count < N: 
    #         j = N - 1 
    #         dist2 += minDistfindDistBetweenLastAndFirstHouse(A[0], A[-1])
    #         flag1 = 1
    #     # count += 1 
# overAllMin = min(dist1, K - findDistBetween(A[0], A[-1]), overAllMin)
# print (dist1,  K - findDistBetween(A[0], A[-1]), overAllMin)
        
# print (overAllMin)

Buggy submission (verdict: Runtime Error):
# maintain overall min 
# iterate over two loops 
# find the absolute distance and before exiting the first maintain overall min
# also check the distance of last and first house
def findDistBetween(i,j):
    return abs(i - j)

def minDistfindDistBetweenLastAndFirstHouse(i,j):
    dist = findDistBetween(i, j)
    return K - dist 

K, N = input().split()
As = input().split()

K = int(K)
N = int(N)

print ("As is")
print (As)
# print (As.split())
A = [0] * len(As)
for i in range(len(As)):
    A[i] = int(As[i])
    
# A = list(map(lambda x: int(x), As))
# print (A)
# overAllMin = float('inf')
# minDist = 0 
# for i in range(N):
#     minDist = 0
#     for j in range(N):
#         # print (i, j)
#         minDist += findDistBetween(A[i], A[j])
#     # find the dist b/w last and first house
#     # minDist2 = minDistfindDistBetweenLastAndFirstHouse(A[0], A[-1])
#     # minDist = min(minDist, minDist2)
#     print ("Min dist", minDist)
#     # print ("min dist2", minDist2)
#     overAllMin = min(overAllMin, minDist)

# print (overAllMin)
overAllMin = float('inf')
Arev = list(reversed(A))
dist1 = 0 
dist2 = 0
prevHouse = -1
for i in range(N):
    #print ("PRev house", prevHouse)
    #print ("Next house", A[i])

    dist1 = max(findDistBetween(A[i], prevHouse), dist1)
    prevHouse = A[i]
    

ma = max(dist1, minDistfindDistBetweenLastAndFirstHouse(A[0], A[-1]))
print (K - ma)
# for i in range(N):
#     count = 0
#     curHouse = A[i]
#     j = i
#     flag0 = 0 
#     flag1 = 0
#     dist1 = 0 
#     dist2 = 0
#     while count < N:
#         if flag0 is 0:
#             dist1 += findDistBetween(curHouse, A[j])
#         curHouse = A[j]
#         j += 1
#         flag0 = 0
#         count += 1

#         if j == N and count < N: 
#             print ("in condition")
#             j = 0
#             dist1 += minDistfindDistBetweenLastAndFirstHouse(A[0], A[-1])
#             flag0 = 1
        
        # count += 1

        # print ("dist1", dist1)

    # count = 0
    # curHouse = A[i]
    # j = i
    # while count < N:
    #     if flag1 is 0:
    #         dist2 += findDistBetween(curHouse, A[j])
    #     curHouse = A[j]
    #     j -= 1
    #     count += 1
    #     flag1 = 0
    #     if j == -1 and count < N: 
    #         j = N - 1 
    #         dist2 += minDistfindDistBetweenLastAndFirstHouse(A[0], A[-1])
    #         flag1 = 1
    #     # count += 1 
# overAllMin = min(dist1, K - findDistBetween(A[0], A[-1]), overAllMin)
# print (dist1,  K - findDistBetween(A[0], A[-1]), overAllMin)
        
# print (overAllMin)