Update solution.py

suggestion (code-quality): Convert for loop into list comprehension (list-comprehension)

kyu_7/complete_the_pattern_5_even_ladder/solution.py

@@ -19,9 +19,7 @@ def pattern(n: int) -> str:
     # If any odd number is passed as argument then the pattern
     # should last up to the largest even number which is smaller
     # than the passed odd number.
-    lines: list = []
-    for i in range(2, n + 1, 2):
-        # Note: There are no spaces in the pattern.
-        lines.append(f'{i}' * i)
+    # Note: There are no spaces in the pattern.lines.append()
     # Use \n in string to jump to next line.
+    lines: list = [(f'{i}' * i) for i in range(2, n + 1, 2)]
     return '\n'.join(lines)