Improved printing

lamb/utils.py

@@ -70,4 +70,35 @@ def show_greeting():
 		"<_s> A λ calculus engine</_s>",
 		"<_p> Type :help for help</_p>",
 		""
-	])), style = style)
+	])), style = style)
+
+def subscript(num: int):
+	sub = {
+		"0": "₀",
+		"1": "₁",
+		"2": "₂",
+		"3": "₃",
+		"4": "₄",
+		"5": "₅",
+		"6": "₆",
+		"7": "₇",
+		"8": "₈",
+		"9": "₉"
+	}
+
+	sup = {
+		"0": "⁰",
+		"1": "¹",
+		"2": "²",
+		"3": "³",
+		"4": "⁴",
+		"5": "⁵",
+		"6": "⁶",
+		"7": "⁷",
+		"8": "⁸",
+		"9": "⁹"
+	}
+
+	return "".join(
+		[sup[x] for x in str(num)]
+	)