各文字が同じ（Python）のときにリストから要素を削除するにはどうすればいいですか？

Question

sample = ['AAAA','ABCB','CCCC','DDEF'] 

すべての要素が要素内でそれ自身と同一であるすべての要素を削除する必要があります。コメントに答えるためにAAAAA、CCCCC

output = ['ABCB','DDEF'] 

sample1 =[] 
for i in sample: 
    for j in i: 
     if j == j+1: #This needs to be corrected to if all elements in i identical to each other i.e. if all "j's" are the same 
     sample1.pop(i) 

印刷サンプル

Answer 1

sample = ['AAAA','ABCB','CCCC','DDEF'] 
output = [sublist for sublist in sample if len(set(sublist)) > 1] 

EDIT。

sample = [['CGG', 'ATT'], ['ATT', 'CCC']] 
output = [] 
for sublist in sample: 
    if all([len(set(each)) > 1 for each in sublist]): 
     output.append(sublist) 

# List comprehension (doing the same job as the code above) 
output2 = [sublist for sublist in sample if 
      all((len(set(each)) > 1 for each in sublist))] 

Answer 2

sample = ['AAAA','ABCB','CCCC','DDEF'] 

sample1 = [] 
for i in sample: 
    if len(set(i)) > 1: 
     sample1.append(i)