Add dir()

Author: hermite2053

module/dir_function/main.c

@@ -0,0 +1,4 @@
+import sequences
+
+print(dir(sequences))
+

module/dir_function/sequences.py

@@ -0,0 +1,5 @@
+def triangular_number(n):
+    return int(n * (n + 1) / 2)
+
+def square_pyramidal_number(n):
+    return int(n * (n + 1) * (2 * n + 1) / 6)