如何检查一个列表是否在另一个具有相同顺序的python列表中 [英] How to check if a list is in another list with the same order python

问题描述

我的问题与典型问题不同.假设我们有

My question is different with the typical one. Assume we have,

X = ['123', '456', '789']

而且，我们要查找另一个列表是否在X中具有完全相同的顺序.例如，

And, we want to find whether another list is in X with exact same order. For example,

A = ['123', '456']
# should return True since A in X with same order
B = ['456', '123']
# should return False since elements in B are not in same order with X
C = ['123', '789']
# should return False since elements in C are not adjacent in X

有人可以给我任何想法吗?

Can anyone give me any idea?

推荐答案

Python 2:

def is_a_in_x(A, X):
  for i in xrange(len(X) - len(A) + 1):
    if A == X[i:i+len(A)]: return True
  return False

Python 3:

def is_a_in_x(A, X):
  for i in range(len(X) - len(A) + 1):
    if A == X[i:i+len(A)]: return True
  return False

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