diff --git a/solutions/beecrowd/1534/1534.py b/solutions/beecrowd/1534/1534.py
index 82424822..75b905ea 100644
--- a/solutions/beecrowd/1534/1534.py
+++ b/solutions/beecrowd/1534/1534.py
@@ -4,12 +4,12 @@
     n = int(line)
     for i in range(n):
         for j in range(n):
-            if i == j and i + j ==  n - 1:
-                print(2, end="")
+            if i == j and i + j == n - 1:
+                print(2, end='')
             elif i == j:
-                print(1, end="")
+                print(1, end='')
             elif i + j == n - 1:
-                print(2, end="")
+                print(2, end='')
             else:
-                print(3, end="")
+                print(3, end='')
         print()
diff --git a/solutions/beecrowd/1541/1541.py b/solutions/beecrowd/1541/1541.py
index 30b6afe0..54c6795c 100644
--- a/solutions/beecrowd/1541/1541.py
+++ b/solutions/beecrowd/1541/1541.py
@@ -6,4 +6,4 @@
         break
 
     a, b, c = map(int, line.split())
-    print(f"{math.floor(math.sqrt((100 * a * b) / c))}")
+    print(f'{math.floor(math.sqrt((100 * a * b) / c))}')