Question

How to check if a string contain only two same repeating characters in Python

Answer 1

def contain_only_two_same_repeating_chars(s): 
    lenn = len(s)
    if (lenn % 2 != 0):
      return False
    for i in range (lenn - 2) : 
        if (s[i] != s[i + 2]) : 
            return False
   
    return True
 
 
s = "abababab"
 
if (contain_only_two_same_repeating_chars(s)): 
    print("Yes") 
else: 
    print("No") 
  
  
  
'''
run:
 
Yes
  
'''
 
'''
run:

Yes
 
'''

 

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