From 88fb8f05552f3541be51f607be00c538d441d04f Mon Sep 17 00:00:00 2001
From: fluellenarman <fluellenarman@gmail.com>
Date: Tue, 14 Jan 2025 22:26:00 -0800
Subject: [PATCH] fix(445-power_rule_differentiation should hide unnecessary
 powers): fixed by string.replace() Code is readable, but O(N*M) might be
 overkill for essentially a string parsing problem. Im assuming though that
 performance is not main priority

---
 mathgenerator/calculus.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/mathgenerator/calculus.py b/mathgenerator/calculus.py
index 42196c3..9eb411b 100644
--- a/mathgenerator/calculus.py
+++ b/mathgenerator/calculus.py
@@ -44,7 +44,11 @@ def power_rule_differentiation(max_coef=10, max_exp=10, max_terms=5):
 
         problem += f'{coefficient}x^{{{exponent}}}'
         solution += f'{coefficient * exponent}x^{{{exponent - 1}}}'
-
+    
+    problem = problem.replace('x^{1}', 'x')
+    problem = problem.replace('x^{0}', '')
+    solution = solution.replace('x^{1}', 'x')
+    solution = solution.replace('x^{0}', '')
     return problem + '$', solution + '$'