Python Program to print pattern of letter O

avinashn · avinashn · commit f90295aa5177 · 2020-12-06T14:10:36.000+05:30
diff --git a/patterns/Pattern-O.py b/patterns/Pattern-O.py
@@ -0,0 +1,44 @@
+__author__ = 'Avinash'
+
+
+# Python3 program to print alphabet pattern O
+
+#   * * * * * *
+# *             *
+# *             *
+# *             *
+# *             *
+# *             *
+# *             *
+#   * * * * * *
+
+def print_pattern(n):
+    for row in range(n):
+        for column in range(n):
+            if (
+
+              # first row
+              (row == 0 and (column != 0 and column != n-1)) or
+
+              # last row
+              (row == n - 1 and (column != 0 and column != n-1)) or
+
+              # first column
+              (column == 0 and (row != 0 and row != n-1)) or
+
+              # last column
+              (column == n -1 and (row != 0 and row != n-1))
+            ):
+                print("*", end=" ")
+            else:
+                print(" ", end=" ")
+        print()
+
+
+size = int(input("Enter a size:\t"))
+
+if size < 8:
+    print("Enter a size minumin of 8")
+else:
+    print_pattern(size)
+
