CommentExcercise/Code2.py at master · bartist/CommentExcercise · GitHub

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# Hints: function definition, Modulo

def palindrome(a):
    mid = (len(a)-1)//2
    start = 0
    last = len(a)-1
    flag = 0

    while(start<mid):
        if (a[start]== a[last]):

            start += 1
            last -= 1

        else:
            flag = 1
            break;

    if flag == 0:
        print("The entered string is palindrome")
    else:
        print("The entered string is not palindrome")

def symmetry(a):
    n = len(a)
    flag = 0

    if n%2:
        mid = n//2 +1
    else:
        mid = n//2

    start1 = 0
    start2 = mid

    while(start1 < mid and start2 < n):

        if (a[start1]== a[start2]):
            start1 = start1 + 1
            start2 = start2 + 1
        else:
            flag = 1
            break

    if flag == 0:
        print("The entered string is symmetrical")
    else:
        print("The entered string is not symmetrical")

string = 'amaama'
palindrome(string)
symmetry(string)