a=int(input("Enter the number of elements in the array"))
lst=[]
for i in range(0,a):
    n=int(input("Enter the number of elements in array"))
    lst1 = []
    for j in range(0,n):
        m=int(input( ))
        lst1.append(m)
    lst.append(lst1)
    lst1=[]
print(lst)
70a332477067066a18fbd8577afb39c159f8ee02
<mask token>

<mask token>
for i in range(0, a):
    n = int(input('Enter the number of elements in array'))
    lst1 = []
    for j in range(0, n):
        m = int(input())
        lst1.append(m)
    lst.append(lst1)
    lst1 = []
print(lst)

a = int(input('Enter the number of elements in the array'))
lst = []
for i in range(0, a):
    n = int(input('Enter the number of elements in array'))
    lst1 = []
    for j in range(0, n):
        m = int(input())
        lst1.append(m)
    lst.append(lst1)
    lst1 = []
print(lst)

a=int(input("Enter the number of elements in the array"))
lst=[]
for i in range(0,a):
    n=int(input("Enter the number of elements in array"))
    lst1 = []
    for j in range(0,n):
        m=int(input( ))
        lst1.append(m)
    lst.append(lst1)
    lst1=[]
print(lst)