palindroma_v1.py (Código fuente) 

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
 
#!/usr/bin/env python3

def palindroma(s):
    largo = len(s)
    m = largo // 2
    if largo % 2 == 1:
        n = m 
    else:
        n = m - 1        

    
    return s[0:m] == s[len(s):n:-1]

def palindroma2(s):
    largo = len(s)
    m = n = largo // 2
    if largo % 2 == 0:
        n = n - 1
        
    return s[0:m] == s[len(s):n:-1]
 

print(palindroma("abcba"))
print(palindroma("abba"))
print(palindroma("1234321"))
print(palindroma("abcdefg"))
print(palindroma("ata ata"))

print(palindroma2("abcba"))
print(palindroma2("abba"))
print(palindroma2("1234321"))
print(palindroma2("abcdefg"))