Example: Convert Array into Zig-Zag Fashion in Python using the Function

# Convert Array into Zig-Zag Fashion in Python using the Function

def makeZigZag(arru, n):
    pass

    flag, temp = True, None

    for i in range (n - 1):
        if flag:
            if arru[i] > arru[i + 1]:
                temp = arru[i]
                arru[i] = arru[i + 1]
                arru[i + 1] = temp
        else:
            if arru[i] < arru[i + 1]:
                temp = arru[i]
                arru[i] = arru[i + 1]
                arru[i + 1] = temp

        flag = False


arru, x = [], 0
# arru - it will store array elements
# x - size of array

print ("-----enter the size of the array-----")
x = int (input ())

print ("-----Enter the ", x, " elements one by one-----")
for i in range (x):
    arru.append(int (input ()))

# This will change the array position into zig-zag
makeZigZag(arru, x)

print ("\n-----After conversion into zig-zag fashion-----")
for i in range (x):
    print (arru[i], end=",  ")
print (end="\n")