Bài 4
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#Khoi tao string bat ki.
string = 'abcdcba'
"""
Thuat toan su dung if:
Buoc 1: Check xem do dai string la so le hay khong.
Buoc 2: Neu la so le thi check xem nua phia truoc co nguoc lai nua phia sau khong.
"""
if((len(string) % 2) == 1):
if(string[len(string) // 2 -1::-1] == string[len(string) // 2 + 1 :] ):
print(string + " la palindrome")
else:
print(string + " khong la palindrome")
else:
print(string + " khong la palindrome")
Python
INFO