comefrom: <doocs>0524.Longest Word in Dictionary through Deleting_1.py
code: def check(a, b):
      m, n = len(a), len(b)
      i = j = 0
      while i < m and j < n:
          if a[i] == b[j]:
              j += 1
          i += 1
      return j == n
masked: def sample_funcname ( var_0 , var_1 ) :
      var_3 , var_4 = len ( var_0 ) , len ( var_1 )
      var_7 = var_5 = 0
      while var_7 < var_3 and var_5 < var_4 :
          if var_0 [ var_7 ] == var_1 [ var_5 ] :
              var_5 += 1
          var_7 += 1
      return var_5 == var_4
  