Menu Driven Program to show various logical operation on List

def search():
L = []
M = []
N= [ ]
n = int(input(“enter how many elements “))
for i in range(n):
x = int(input(“enter a number”))
L.append(x)
f=0
x = int(input(“enter element to be searched “))
for i in range(n):
if L[i]== x:
f=1
if f==0:
print(“Element does not exits”)
else:
print(“Element exists”)
def highest():
L = []
n = int(input(“Enter N”))
for i in range(n):
x = int(input(“Enter value”))
L.append(x)
max = L[0]
for i in L:
if i>max:
max = i
print(“Greatest is “,max)
def Exchange():
A = [2, 4, 1, 6, 7, 9, 23, 10,55,77]
N = len(A)
print (“The initial array is:”, A)
if N%2==0:
for i in range(int(N/2)): # int(N/2): converting float to int
Tmp = A[i]
A[i] = A[(int(N/2)) + i]
A[int(N/2) + i] = Tmp
print (“The exchanged array is”, A)
else:
print(“N should be Even No”)
def selection():
L = [5,1,5,11,4,9,6,13,2]
n = len(L)
for i in range(n):
min1 = L[i]
pos = i
for j in range (i+1,n):
if L[j] < min1:
min1 = L[j]
pos = j
t=L[i]
L[i]=L[pos]
L[pos]=t
print(L)
ch=’y’
while ch == ‘y’ or ch==’Y’:
print(“1. Linear search = “)
print(“2. find highest element in a list”)
print(“3. Exchange first half with second half of a list”)
print(“4. Sort List using selection sort”)
x = int(input(“Enter choice = “))
if x == 1:
search()
if x == 2:
highest()
if x == 3:
Exchange()
if x == 4:
selection()
ch = input(“\nDo you want to continue Y/N = “)

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