codingninja_array_problem.py

#This program is solution for question available on Coding Ninjas Platform.
#Objective of the program is to find unique element from the list , it is possible when there are many repeating quantities,
importsys
deffindUnique(arr, n):
mix= []
mix2= []
foriinarr:
ifinotinmix:
mix.append(i)
else:
mix2.append(i)
forjinmix:
ifjnotinmix2:
returnj


# Taking Input Using Fast I/O
deftakeInput():
print("Enter elements of list .")
n=int(sys.stdin.readline().rstrip())
ifn==0:
returnlist(), 0
arr=list(map(int, sys.stdin.readline().rstrip().split(" ")))
returnarr, n

# main
print("How many list do you want to check? ")
t=int(sys.stdin.readline().rstrip())

whilet>0:
arr, n=takeInput()

print("Unique element is : -",findUnique(arr, n))
t-=1