Differences

This shows you the differences between two versions of the page.

--- python:features [2016/07/13 21:54] – mithat
+++ python:features [2016/07/13 22:21] – [Iteration/repetition] mithat
@@ Line 1: / Line 1: @@
 ====== Some Python features ======
-Header, suite/block, clause:
+===== Types =====
+==== Boolean ====
+<code python>
+True
+False
+</code>
+===== Header, suite/block, clause =====
 <code python>
-if foo == bar:         # header         clause +
+if foo == bar:         # header             clause 1
-    print('same')      # suite/block           |
+    print('same')          # suite/block    clause 1
-    ...                #                clause +
+else:                  # header             clause 2
-else:                  # header         clause +
+    print('different')     # suite/block    clause 2
-    print('different') # suite/block           |
-    ...                #                clause +
 </code>
+===== Selection =====
+==== if, if/else ====
+<code python>
+if condition:
+    suite
+</code>
+<code>
+if condition:
+    suite
+else:
+    suite
+</code>
+=== nested if/else ===
+<code python>
+if credits == 90:
+    print('Senior')
+else
+    if credits == 60:
+        print('Junior')
+    else:
+        if credits >= 40:
+            print('Sophomore')
+        else:
+            print('something else')
+</code>
+<code python>
+if credits >= 90:
+    print('Senior')
+elif credits >= 60:
+    print('Junior')
+elif credits >= 40:
+    print('Sophomore')
+else:
+    print('something else')
+</code>
+===== Iteration/repetition =====
+<code python>
+while condition:
+    suite:
+</code>
+**definite loop**: counter controlled repetition, "a program loop in which the number of times the loop will iterate can be determined before the loop is executed."
+**indefinite loop**: sentinel controlled repetition, "a program loop in which the number of times the loop will iterate is not known before the loop is executed."
+**flag/semaphore/sentinel**: TODO.