docstr: Generate roots with 1 in ith position and a -1 in jth position
          
docstr_tok: ["Generate","roots","with","1","in","ith","position","and","a","-1","in","jth","position"]
code: def basic_root(self, i, j):
      """Generate roots with 1 in ith position and a -1 in jth position"""
      n = self.n
      root = [0] * n
      root[i] = 1
      root[j] = -1
      return root
  
file_path: sympy/sympy/liealgebras/type_c.py
imports: from .cartan_type import Standard_Cartan
  from sympy.core.backend import eye
label_desc: Use image node_id 3 for calling the TypeC obj's underlying member method code with example usage: obj.basic_root(i, j) and returns: root