Buggy python submission (verdict: Runtime Error):
import sys
N, M = map(int, input().split())

def fib(n):
    dp_list = [0] * n
    dp_list[0] = 1
    if n == 1:
        return 1
    dp_list[1] = 2
    
    for i in range(2, n):
        dp_list[i] = dp_list[i - 1] + dp_list[i - 2]
    return dp_list[n - 1]

if M == 0:
    print(fib(N))

a_list = [0] * M

for m in range(M):
    a_list[m] = int(input())

for m in range(M - 1):
    if a_list[m] + 1 == a_list[m + 1]:
        print(0)
        sys.exit()
    else:
        continue

range_list = [i for i in range(1, N + 1)]
new_list = [0] * (M + 1)


new_list[0] = [0] + range_list[0: a_list[0] - 1]
new_list[M] = range_list[a_list[M - 1]:]

if M - 1 >= 1:
    for m in range(1, M):
        new_list[m] = range_list[a_list[m - 1]: a_list[m] - 1]

MOD = 1000000007


count = 1
for item in new_list:
    if not item or len(item) == 1:
        continue
    else:
        count *= (fib(len(item) - 1) % MOD)
        count %= MOD
        #print(count)
print(count)

Fixed submission:
import sys
N, M = map(int, input().split())

MOD = 1000000007

def fib(n):
    dp_list = [0] * n
    dp_list[0] = 1
    if n == 1:
        return 1
    dp_list[1] = 2
    
    for i in range(2, n):
        dp_list[i] = dp_list[i - 1] + dp_list[i - 2]
    return dp_list[n - 1]

if M == 0:
    print(fib(N) % MOD)
    sys.exit()

a_list = [0] * M

for m in range(M):
    a_list[m] = int(input())

for m in range(M - 1):
    if a_list[m] + 1 == a_list[m + 1]:
        print(0)
        sys.exit()
    else:
        continue

range_list = [i for i in range(1, N + 1)]
new_list = [0] * (M + 1)


new_list[0] = [0] + range_list[0: a_list[0] - 1]
new_list[M] = range_list[a_list[M - 1]:]

if M - 1 >= 1:
    for m in range(1, M):
        new_list[m] = range_list[a_list[m - 1]: a_list[m] - 1]

count = 1
for item in new_list:
    if not item or len(item) == 1:
        continue
    else:
        count *= (fib(len(item) - 1) % MOD)
        count %= MOD
        #print(count)
print(count)

Buggy python submission (verdict: Runtime Error):
import sys
N, M = map(int, input().split())

a_list = [0] * M

for m in range(M):
    a_list[m] = int(input())

for m in range(M - 1):
    if a_list[m] + 1 == a_list[m + 1]:
        print(0)
        sys.exit()
    else:
        continue

range_list = [i for i in range(1, N + 1)]
new_list = [0] * (M + 1)

new_list[0] = [0] + range_list[0: a_list[0] - 1]
new_list[M] = range_list[a_list[M - 1]:]

if M - 1 >= 1:
    for m in range(1, M):
        new_list[m] = range_list[a_list[m - 1]: a_list[m] - 1]

MOD = 1000000007

def fib(n):
    dp_list = [0] * n
    dp_list[0] = 1
    if n == 1:
        return 1
    dp_list[1] = 2
    
    for i in range(2, n):
        dp_list[i] = dp_list[i - 1] + dp_list[i - 2]
    return dp_list[n - 1]

count = 1
for item in new_list:
    if not item or len(item) == 1:
        continue
    else:
        count *= (fib(len(item) - 1) % MOD)
        count %= MOD
        #print(count)
print(count)

Fixed submission:
import sys
N, M = map(int, input().split())

MOD = 1000000007

def fib(n):
    dp_list = [0] * n
    dp_list[0] = 1
    if n == 1:
        return 1
    dp_list[1] = 2
    
    for i in range(2, n):
        dp_list[i] = dp_list[i - 1] + dp_list[i - 2]
    return dp_list[n - 1]

if M == 0:
    print(fib(N) % MOD)
    sys.exit()

a_list = [0] * M

for m in range(M):
    a_list[m] = int(input())

for m in range(M - 1):
    if a_list[m] + 1 == a_list[m + 1]:
        print(0)
        sys.exit()
    else:
        continue

range_list = [i for i in range(1, N + 1)]
new_list = [0] * (M + 1)


new_list[0] = [0] + range_list[0: a_list[0] - 1]
new_list[M] = range_list[a_list[M - 1]:]

if M - 1 >= 1:
    for m in range(1, M):
        new_list[m] = range_list[a_list[m - 1]: a_list[m] - 1]

count = 1
for item in new_list:
    if not item or len(item) == 1:
        continue
    else:
        count *= (fib(len(item) - 1) % MOD)
        count %= MOD
        #print(count)
print(count)

Buggy python submission (verdict: Runtime Error):
import sys
N, M = map(int, input().split())

a_list = [0] * M

for m in range(M):
    a_list[m] = int(input())

for m in range(M - 1):
    if a_list[m] + 1 == a_list[m + 1]:
        print(0)
        sys.exit()
    else:
        continue

range_list = [i for i in range(1, N + 1)]
new_list = [0] * (M + 1)

new_list[0] = [0] + range_list[0: a_list[0] - 1]
new_list[M] = range_list[a_list[M - 1]:]

if M - 1 >= 1:
    for m in range(1, M):
        new_list[m] = range_list[a_list[m - 1]: a_list[m] - 1]

MOD = 1000000007

def fib(n):
    dp_list = [0] * n
    dp_list[0] = 1
    if n == 1:
        return 1
    dp_list[1] = 2
    
    for i in range(2, n):
        dp_list[i] = dp_list[i - 1] + dp_list[i - 2]
    return dp_list[n - 1]
print(new_list)
count = 1
for item in new_list:
    if not item or len(item) == 1:
        continue
    else:
        count *= (fib(len(item) - 1) % MOD)
        count %= MOD
        #print(count)
print(count)

Fixed submission:
import sys
N, M = map(int, input().split())

MOD = 1000000007

def fib(n):
    dp_list = [0] * n
    dp_list[0] = 1
    if n == 1:
        return 1
    dp_list[1] = 2
    
    for i in range(2, n):
        dp_list[i] = dp_list[i - 1] + dp_list[i - 2]
    return dp_list[n - 1]

if M == 0:
    print(fib(N) % MOD)
    sys.exit()

a_list = [0] * M

for m in range(M):
    a_list[m] = int(input())

for m in range(M - 1):
    if a_list[m] + 1 == a_list[m + 1]:
        print(0)
        sys.exit()
    else:
        continue

range_list = [i for i in range(1, N + 1)]
new_list = [0] * (M + 1)


new_list[0] = [0] + range_list[0: a_list[0] - 1]
new_list[M] = range_list[a_list[M - 1]:]

if M - 1 >= 1:
    for m in range(1, M):
        new_list[m] = range_list[a_list[m - 1]: a_list[m] - 1]

count = 1
for item in new_list:
    if not item or len(item) == 1:
        continue
    else:
        count *= (fib(len(item) - 1) % MOD)
        count %= MOD
        #print(count)
print(count)

Buggy python submission (verdict: Runtime Error):
import sys
N, M = map(int, input().split())

a_list = [0] * M

for m in range(M):
    a_list[m] = int(input())

for m in range(M - 1):
    if a_list[m] + 1 == a_list[m + 1]:
        print(0)
        sys.exit()
    else:
        continue

range_list = [i for i in range(1, N + 1)]
new_list = [0] * (M + 1)

new_list[0] = [0] + range_list[0: a_list[0] - 1]
new_list[M] = range_list[a_list[M - 1]:]

if M - 1 >= 1:
    for m in range(1, M):
        new_list[m] = range_list[a_list[m - 1]: a_list[m] - 1]

MOD = 1000000007

def fib(n):
    dp_list = [0] * n
    dp_list[0] = 1
    dp_list[1] = 2
    
    for i in range(2, n):
        dp_list[i] = dp_list[i - 1] + dp_list[i - 2]
    return dp_list[n - 1]

count = 1
for item in new_list:
    if not item or len(item) == 1:
        continue
    else:
        count *= (fib(len(item) - 1) % MOD)
        count %= MOD
        #print(count)
print(count)

Fixed submission:
import sys
N, M = map(int, input().split())

MOD = 1000000007

def fib(n):
    dp_list = [0] * n
    dp_list[0] = 1
    if n == 1:
        return 1
    dp_list[1] = 2
    
    for i in range(2, n):
        dp_list[i] = dp_list[i - 1] + dp_list[i - 2]
    return dp_list[n - 1]

if M == 0:
    print(fib(N) % MOD)
    sys.exit()

a_list = [0] * M

for m in range(M):
    a_list[m] = int(input())

for m in range(M - 1):
    if a_list[m] + 1 == a_list[m + 1]:
        print(0)
        sys.exit()
    else:
        continue

range_list = [i for i in range(1, N + 1)]
new_list = [0] * (M + 1)


new_list[0] = [0] + range_list[0: a_list[0] - 1]
new_list[M] = range_list[a_list[M - 1]:]

if M - 1 >= 1:
    for m in range(1, M):
        new_list[m] = range_list[a_list[m - 1]: a_list[m] - 1]

count = 1
for item in new_list:
    if not item or len(item) == 1:
        continue
    else:
        count *= (fib(len(item) - 1) % MOD)
        count %= MOD
        #print(count)
print(count)

Buggy python submission (verdict: Runtime Error):
import sys
N, M = map(int, input().split())

a_list = [0] * M

for m in range(M):
    a_list[m] = int(input())

for m in range(M - 1):
    if a_list[m] + 1 == a_list[m + 1]:
        print(0)
        sys.exit()
    else:
        continue

range_list = [i for i in range(1, N + 1)]
new_list = [0] * (M + 1)

new_list[0] = range_list[0: a_list[0] - 1]
new_list[M] = range_list[a_list[M - 1]:]

if M - 1 >= 1:
    for m in range(1, M):
        new_list[m] = range_list[a_list[m - 1]: a_list[m] - 1]

MOD = 1000000007

def fib(n):
    dp_list = [0] * n
    dp_list[0] = 1
    dp_list[1] = 2
    
    for i in range(2, n):
        dp_list[i] = dp_list[i - 1] + dp_list[i - 2]
    return dp_list[n - 1]

count = 1
for item in new_list:
    if not item:
        continue
    else:
        count *= (fib(len(item) - 1) % MOD)
        count %= MOD
print(count)

Fixed submission:
import sys
N, M = map(int, input().split())

MOD = 1000000007

def fib(n):
    dp_list = [0] * n
    dp_list[0] = 1
    if n == 1:
        return 1
    dp_list[1] = 2
    
    for i in range(2, n):
        dp_list[i] = dp_list[i - 1] + dp_list[i - 2]
    return dp_list[n - 1]

if M == 0:
    print(fib(N) % MOD)
    sys.exit()

a_list = [0] * M

for m in range(M):
    a_list[m] = int(input())

for m in range(M - 1):
    if a_list[m] + 1 == a_list[m + 1]:
        print(0)
        sys.exit()
    else:
        continue

range_list = [i for i in range(1, N + 1)]
new_list = [0] * (M + 1)


new_list[0] = [0] + range_list[0: a_list[0] - 1]
new_list[M] = range_list[a_list[M - 1]:]

if M - 1 >= 1:
    for m in range(1, M):
        new_list[m] = range_list[a_list[m - 1]: a_list[m] - 1]

count = 1
for item in new_list:
    if not item or len(item) == 1:
        continue
    else:
        count *= (fib(len(item) - 1) % MOD)
        count %= MOD
        #print(count)
print(count)

Buggy python submission (verdict: Runtime Error):
import sys
N, M = map(int, input().split())

a_list = [0] * M

for m in range(M):
    a_list[m] = int(input())

for m in range(M - 1):
    if a_list[m] + 1 == a_list[m + 1]:
        print(0)
        sys.exit()
    else:
        continue

range_list = [i for i in range(1, N + 1)]
new_list = [0] * (M + 1)

new_list[0] = range_list[0: a_list[0] - 1]
new_list[M] = range_list[a_list[M - 1]:]

if M - 1 >= 1:
    for m in range(1, M):
        new_list[m] = range_list[a_list[m - 1]: a_list[m] - 1]

MOD = 1000000007

def fib(n):
    dp_list = [0] * n
    dp_list[0] = 1
    dp_list[1] = 2
    
    for i in range(2, n):
        dp_list[i] = dp_list[i - 1] + dp_list[i - 2]
    return dp_list[n - 1]

count = 1
for item in new_list:
    if not item:
        continue
    else:
        count *= (fib(len(item) - 1) % MOD)
        count %= MOD
print(count)

Fixed submission:
import sys
N, M = map(int, input().split())

MOD = 1000000007

def fib(n):
    dp_list = [0] * n
    dp_list[0] = 1
    if n == 1:
        return 1
    dp_list[1] = 2
    
    for i in range(2, n):
        dp_list[i] = dp_list[i - 1] + dp_list[i - 2]
    return dp_list[n - 1]

if M == 0:
    print(fib(N) % MOD)
    sys.exit()

a_list = [0] * M

for m in range(M):
    a_list[m] = int(input())

for m in range(M - 1):
    if a_list[m] + 1 == a_list[m + 1]:
        print(0)
        sys.exit()
    else:
        continue

range_list = [i for i in range(1, N + 1)]
new_list = [0] * (M + 1)


new_list[0] = [0] + range_list[0: a_list[0] - 1]
new_list[M] = range_list[a_list[M - 1]:]

if M - 1 >= 1:
    for m in range(1, M):
        new_list[m] = range_list[a_list[m - 1]: a_list[m] - 1]

count = 1
for item in new_list:
    if not item or len(item) == 1:
        continue
    else:
        count *= (fib(len(item) - 1) % MOD)
        count %= MOD
        #print(count)
print(count)

Buggy python submission (verdict: Runtime Error):
import sys
N, M = map(int, input().split())

a_list = [0] * M

for m in range(M):
    a_list[m] = int(input())

for m in range(M - 1):
    if a_list[m] + 1 == a_list[m + 1]:
        print(0)
        sys.exit()
    else:
        continue

range_list = [i for i in range(1, N + 1)]
new_list = [0] * (M + 1)

a = 0
if a_list[0] == 1:
    new_list[0] = []
else:
    new_list[0] = [0] + range_list[0: a_list[0] - 1]
new_list[M] = range_list[a_list[M - 1]:]

if M - 1 >= 1:
    for m in range(1, M):
        new_list[m] = range_list[a_list[m - 1]: a_list[m] - 1]

MOD = 1000000007

def fib(n):
    dp_list = [0] * n
    dp_list[0] = 1
    dp_list[1] = 2
    
    for i in range(2, n):
        dp_list[i] = dp_list[i - 1] + dp_list[i - 2]
    return dp_list[n - 1]

count = 1
for item in new_list:
    if not item:
        continue
    else:
        count *= (fib(len(item) - 1) & MOD)
        count %= MOD
print(count)

Fixed submission:
import sys
N, M = map(int, input().split())

MOD = 1000000007

def fib(n):
    dp_list = [0] * n
    dp_list[0] = 1
    if n == 1:
        return 1
    dp_list[1] = 2
    
    for i in range(2, n):
        dp_list[i] = dp_list[i - 1] + dp_list[i - 2]
    return dp_list[n - 1]

if M == 0:
    print(fib(N) % MOD)
    sys.exit()

a_list = [0] * M

for m in range(M):
    a_list[m] = int(input())

for m in range(M - 1):
    if a_list[m] + 1 == a_list[m + 1]:
        print(0)
        sys.exit()
    else:
        continue

range_list = [i for i in range(1, N + 1)]
new_list = [0] * (M + 1)


new_list[0] = [0] + range_list[0: a_list[0] - 1]
new_list[M] = range_list[a_list[M - 1]:]

if M - 1 >= 1:
    for m in range(1, M):
        new_list[m] = range_list[a_list[m - 1]: a_list[m] - 1]

count = 1
for item in new_list:
    if not item or len(item) == 1:
        continue
    else:
        count *= (fib(len(item) - 1) % MOD)
        count %= MOD
        #print(count)
print(count)

Buggy python submission (verdict: Runtime Error):

N, M = map(int, input().split())

a_list = [0] * M

for m in range(M):
    a_list[m] = int(input())

for m in range(M - 1):
    if a_list[m] + 1 == a_list[m + 1]:
        print(0)
    else:
        continue

range_list = [i for i in range(1, N + 1)]
new_list = [0] * (M + 1)

a = 0
if a_list[0] == 1:
    new_list[0] = []
else:
    new_list[0] = [0] + range_list[0: a_list[0] - 1]
new_list[M] = range_list[a_list[M - 1]:]

if M - 1 >= 1:
    for m in range(1, M):
        new_list[m] = range_list[a_list[m - 1]: a_list[m] - 1]

MOD = 1000000007

def fib(n):
    dp_list = [0] * n
    dp_list[0] = 1
    dp_list[1] = 2
    
    for i in range(2, n):
        dp_list[i] = dp_list[i - 1] + dp_list[i - 2]
    return dp_list[n - 1]

count = 1
for item in new_list:
    if not item:
        continue
    else:
        count *= fib(len(item) - 1)
        count %= MOD
print(count)

Fixed submission:
import sys
N, M = map(int, input().split())

MOD = 1000000007

def fib(n):
    dp_list = [0] * n
    dp_list[0] = 1
    if n == 1:
        return 1
    dp_list[1] = 2
    
    for i in range(2, n):
        dp_list[i] = dp_list[i - 1] + dp_list[i - 2]
    return dp_list[n - 1]

if M == 0:
    print(fib(N) % MOD)
    sys.exit()

a_list = [0] * M

for m in range(M):
    a_list[m] = int(input())

for m in range(M - 1):
    if a_list[m] + 1 == a_list[m + 1]:
        print(0)
        sys.exit()
    else:
        continue

range_list = [i for i in range(1, N + 1)]
new_list = [0] * (M + 1)


new_list[0] = [0] + range_list[0: a_list[0] - 1]
new_list[M] = range_list[a_list[M - 1]:]

if M - 1 >= 1:
    for m in range(1, M):
        new_list[m] = range_list[a_list[m - 1]: a_list[m] - 1]

count = 1
for item in new_list:
    if not item or len(item) == 1:
        continue
    else:
        count *= (fib(len(item) - 1) % MOD)
        count %= MOD
        #print(count)
print(count)

Buggy python submission (verdict: Runtime Error):
import sys
N, M = map(int, input().split())

a_list = [0] * M

for m in range(M):
    a_list[m] = int(input())

for m in range(M - 1):
    if a_list[m] + 1 == a_list[m + 1]:
        print(0)
        sys.exit()
    else:
        continue

range_list = [i for i in range(1, N + 1)]
new_list = [0] * (M + 1)

a = 0
if a_list[0] == 1:
    new_list[0] = []
else:
    new_list[0] = [0] + range_list[0: a_list[0] - 1]
new_list[M] = range_list[a_list[M - 1]:]

if M - 1 >= 1:
    for m in range(1, M):
        new_list[m] = range_list[a_list[m - 1]: a_list[m] - 1]

MOD = 1000000007
#print(new_list)1

def fib(n):
    dp_list = [0] * n
    dp_list[0] = 1
    dp_list[1] = 2
    
    for i in range(2, n):
        dp_list[i] = dp_list[i - 1] + dp_list[i - 2]
    return dp_list[n - 1]

count = 1
for item in new_list:
    if not item:
        continue
    else:
        count *= fib(len(item) - 1)
        count %= MOD
print(count)

Fixed submission:
import sys
N, M = map(int, input().split())

MOD = 1000000007

def fib(n):
    dp_list = [0] * n
    dp_list[0] = 1
    if n == 1:
        return 1
    dp_list[1] = 2
    
    for i in range(2, n):
        dp_list[i] = dp_list[i - 1] + dp_list[i - 2]
    return dp_list[n - 1]

if M == 0:
    print(fib(N) % MOD)
    sys.exit()

a_list = [0] * M

for m in range(M):
    a_list[m] = int(input())

for m in range(M - 1):
    if a_list[m] + 1 == a_list[m + 1]:
        print(0)
        sys.exit()
    else:
        continue

range_list = [i for i in range(1, N + 1)]
new_list = [0] * (M + 1)


new_list[0] = [0] + range_list[0: a_list[0] - 1]
new_list[M] = range_list[a_list[M - 1]:]

if M - 1 >= 1:
    for m in range(1, M):
        new_list[m] = range_list[a_list[m - 1]: a_list[m] - 1]

count = 1
for item in new_list:
    if not item or len(item) == 1:
        continue
    else:
        count *= (fib(len(item) - 1) % MOD)
        count %= MOD
        #print(count)
print(count)

Buggy python submission (verdict: Runtime Error):
import sys
N, M = map(int, input().split())

a_list = [0] * M

for m in range(M):
    a_list[m] = int(input())

for m in range(M - 1):
    if a_list[m] + 1 == a_list[m + 1]:
        print(0)
        sys.exit()

range_list = [i for i in range(1, N + 1)]
new_list = [0] * (M + 1)

a = 0
if a_list[0] == 1:
    new_list[0] = []
else:
    new_list[0] = [0] + range_list[0: a_list[0] - 1]
new_list[M] = range_list[a_list[M - 1]:]

if M - 1 >= 1:
    for m in range(1, M):
        new_list[m] = range_list[a_list[m - 1]: a_list[m] - 1]

MOD = 1000000007
#print(new_list)1

def fib(n):
    dp_list = [0] * n
    dp_list[0] = 1
    dp_list[1] = 2
    
    for i in range(2, n):
        dp_list[i] = dp_list[i - 1] + dp_list[i - 2]
    return dp_list[n - 1]

count = 1
for item in new_list:
    if not item:
        continue
    else:
        count *= fib(len(item) - 1)
        count %= MOD
print(count)

Fixed submission:
import sys
N, M = map(int, input().split())

MOD = 1000000007

def fib(n):
    dp_list = [0] * n
    dp_list[0] = 1
    if n == 1:
        return 1
    dp_list[1] = 2
    
    for i in range(2, n):
        dp_list[i] = dp_list[i - 1] + dp_list[i - 2]
    return dp_list[n - 1]

if M == 0:
    print(fib(N) % MOD)
    sys.exit()

a_list = [0] * M

for m in range(M):
    a_list[m] = int(input())

for m in range(M - 1):
    if a_list[m] + 1 == a_list[m + 1]:
        print(0)
        sys.exit()
    else:
        continue

range_list = [i for i in range(1, N + 1)]
new_list = [0] * (M + 1)


new_list[0] = [0] + range_list[0: a_list[0] - 1]
new_list[M] = range_list[a_list[M - 1]:]

if M - 1 >= 1:
    for m in range(1, M):
        new_list[m] = range_list[a_list[m - 1]: a_list[m] - 1]

count = 1
for item in new_list:
    if not item or len(item) == 1:
        continue
    else:
        count *= (fib(len(item) - 1) % MOD)
        count %= MOD
        #print(count)
print(count)

Buggy python submission (verdict: Runtime Error):
import sys
N, M = map(int, input().split())

a_list = [0] * M

for m in range(M):
    a_list[m] = int(input())

for m in range(M - 1):
    if a_list[m] + 1 == a_list[m + 1]:
        print(0)
        sys.exit()

range_list = [i for i in range(1, N + 1)]
new_list = [0] * (M + 1)

a = 0
if a_list[0] == 1:
    new_list[0] = []
else:
    new_list[0] = [0] + range_list[0: a_list[0] - 1]
new_list[M] = range_list[a_list[M - 1]:]

if M - 1 >= 1:
    for m in range(1, M):
        new_list[m] = range_list[a_list[m - 1]: a_list[m] - 1]

MOD = 1000000007
#print(new_list)
value = 1
for item in new_list:
    if len(item) == 0:
        continue
    else:
        if (len(item) - 1) % 2 == 0:
            value *= (2 ** ((len(item) - 1) // 2)) % MOD
            value %= MOD
        else:
            value *= ((2 ** ((len(item) - 1) // 2)) + 2 ** (((len(item) - 1) // 2) - 1)) % MOD
            value %= MOD

print(value)

Fixed submission:
import sys
N, M = map(int, input().split())

MOD = 1000000007

def fib(n):
    dp_list = [0] * n
    dp_list[0] = 1
    if n == 1:
        return 1
    dp_list[1] = 2
    
    for i in range(2, n):
        dp_list[i] = dp_list[i - 1] + dp_list[i - 2]
    return dp_list[n - 1]

if M == 0:
    print(fib(N) % MOD)
    sys.exit()

a_list = [0] * M

for m in range(M):
    a_list[m] = int(input())

for m in range(M - 1):
    if a_list[m] + 1 == a_list[m + 1]:
        print(0)
        sys.exit()
    else:
        continue

range_list = [i for i in range(1, N + 1)]
new_list = [0] * (M + 1)


new_list[0] = [0] + range_list[0: a_list[0] - 1]
new_list[M] = range_list[a_list[M - 1]:]

if M - 1 >= 1:
    for m in range(1, M):
        new_list[m] = range_list[a_list[m - 1]: a_list[m] - 1]

count = 1
for item in new_list:
    if not item or len(item) == 1:
        continue
    else:
        count *= (fib(len(item) - 1) % MOD)
        count %= MOD
        #print(count)
print(count)

Buggy python submission (verdict: Runtime Error):
import sys
N, M = map(int, input().split())

a_list = [0] * M

for m in range(M):
    a_list[m] = int(input())

for m in range(M - 1):
    if a_list[m] + 1 == a_list[m + 1]:
        print(0)
        sys.exit()

range_list = [i for i in range(1, N + 1)]
new_list = [0] * (M + 1)

a = 0
if a_list[0] == 1:
    new_list[0] = []
else:
    new_list[0] = [0] + range_list[0: a_list[0] - 1]
new_list[M] = range_list[a_list[M - 1]:]

if M - 1 >= 1:
    for m in range(1, M):
        new_list[m] = range_list[a_list[m - 1]: a_list[m] - 1]

MOD = 1000000007
#print(new_list)
value = 1
for item in new_list:
    if len(item) == 0:
        continue
    else:
        if (len(item) - 1) % 2 == 0:
            value *= (2 ** ((len(item) - 1) // 2)) % MOD
        else:
            value *= ((2 ** ((len(item) - 1) // 2)) + 2 ** (((len(item) - 1) // 2) - 1)) % MOD
print(value)

Fixed submission:
import sys
N, M = map(int, input().split())

MOD = 1000000007

def fib(n):
    dp_list = [0] * n
    dp_list[0] = 1
    if n == 1:
        return 1
    dp_list[1] = 2
    
    for i in range(2, n):
        dp_list[i] = dp_list[i - 1] + dp_list[i - 2]
    return dp_list[n - 1]

if M == 0:
    print(fib(N) % MOD)
    sys.exit()

a_list = [0] * M

for m in range(M):
    a_list[m] = int(input())

for m in range(M - 1):
    if a_list[m] + 1 == a_list[m + 1]:
        print(0)
        sys.exit()
    else:
        continue

range_list = [i for i in range(1, N + 1)]
new_list = [0] * (M + 1)


new_list[0] = [0] + range_list[0: a_list[0] - 1]
new_list[M] = range_list[a_list[M - 1]:]

if M - 1 >= 1:
    for m in range(1, M):
        new_list[m] = range_list[a_list[m - 1]: a_list[m] - 1]

count = 1
for item in new_list:
    if not item or len(item) == 1:
        continue
    else:
        count *= (fib(len(item) - 1) % MOD)
        count %= MOD
        #print(count)
print(count)