Buggy python submission (verdict: Runtime Error):
from sys import stdin, stdout
from collections import defaultdict
def readLine_int_list(): return list(map(int, stdin.readline().split()))
def readAll_int(): return list(map(int, stdin))

def gcd(a, b):
	while b:
	    a, b = b, a % b
	return a
	
def lcm(a, b):
    return a * b // gcd (a, b)

def main():
    n = int(input())
    # t = sorted(list(set(readAll_int())))
    t = readAll_int()
    for i in range(len(t) - 1):
        a = lcm(t[i], t[i+1])
        t[i+1] = a
    print(a)

if __name__ == "__main__":
    main()


Fixed submission:
from sys import stdin, stdout
def readAll_int(): return list(map(int, stdin))

def gcd(a, b):
	while b:
	    a, b = b, a % b
	return a
	
def lcm(a, b):
    return a * b // gcd (a, b)

def main():
    n = int(input())
    t = list(set(readAll_int()))
    if len(t)>1:
        for i in range(len(t) - 1):
            a = lcm(t[i], t[i+1])
            t[i+1] = a
    else:
        a = t[0]
    print(a)
    
if __name__ == "__main__":
    main()

Buggy python submission (verdict: Runtime Error):
from sys import stdin, stdout
from collections import defaultdict
def readLine_int_list():return list(map(int, stdin.readline().split()))
def readLine_int_list_reverse(): return list(map(int, stdin.readline().split())).reverse()
def readAll_int(): return list(map(int, stdin))
def readLine_str_list():return list(map(int, stdin.readline().split()))
def readAll_str(): return list(map(int, stdin))
def g_twoD_list(p,q): return [[0 for i in range(p)] for j in range(q)]


from sys import stdin, stdout
from collections import defaultdict
def readLine_int_list(): return list(map(int, stdin.readline().split()))
def readAll_int(): return list(map(int, stdin))

def gcd(a, b):
	while b:
	    a, b = b, a % b
	return a
	
def lcm(a, b):
    return a * b // gcd (a, b)

def main():
    n = int(input())
    t = list(set(readAll_int()))
    for i in range(len(t) - 1):
        a = lcm(t[i], t[i+1])
        t[i+1] = a
    print(a)

if __name__ == "__main__":
    main()


Fixed submission:
from sys import stdin, stdout
def readAll_int(): return list(map(int, stdin))

def gcd(a, b):
	while b:
	    a, b = b, a % b
	return a
	
def lcm(a, b):
    return a * b // gcd (a, b)

def main():
    n = int(input())
    t = list(set(readAll_int()))
    if len(t)>1:
        for i in range(len(t) - 1):
            a = lcm(t[i], t[i+1])
            t[i+1] = a
    else:
        a = t[0]
    print(a)
    
if __name__ == "__main__":
    main()

Buggy python submission (verdict: Runtime Error):
from sys import stdin, stdout
from collections import defaultdict
def readLine_int_list():return list(map(int, stdin.readline().split()))
def readAll_int(): return list(map(int, stdin))

def gcd(a, b):
	while b:
		a, b = b, a % b
	return a
	
def lcm(a, b):
	return a * b // gcd (a, b)

def main():
    n = int(input())
    t = sorted(list(set(readAll_int())))
    for i in range(len(t) - 1):
        a = lcm(t[i], t[i+1])
        t[i+1] = a
    print(a)

if __name__ == "__main__":
    main()

Fixed submission:
from sys import stdin, stdout
def readAll_int(): return list(map(int, stdin))

def gcd(a, b):
	while b:
	    a, b = b, a % b
	return a
	
def lcm(a, b):
    return a * b // gcd (a, b)

def main():
    n = int(input())
    t = list(set(readAll_int()))
    if len(t)>1:
        for i in range(len(t) - 1):
            a = lcm(t[i], t[i+1])
            t[i+1] = a
    else:
        a = t[0]
    print(a)
    
if __name__ == "__main__":
    main()