More pythonic code

2020-06-18 17:24:45 +07:00 · 2020-06-18 17:24:45 +07:00 · a74c17f323
parent dcde484a63
commit a74c17f323
1 changed files with 1 additions and 4 deletions
--- a/relational/parser.py
+++ b/relational/parser.py
@ -121,10 +121,7 @@ class Node:

    def printtree(self, level: int = 0) -> str:
        '''returns a representation of the tree using indentation'''
-        r = ''
-        for i in range(level):
-            r += '  '
-        r += self.name
+        r = '  ' * level + self.name
        if self.name in b_operators and isinstance(self, Binary):
            r += self.left.printtree(level + 1)
            r += self.right.printtree(level + 1)