From 671d1722d46d385ff3f78c06e3d30a94a47deb2b Mon Sep 17 00:00:00 2001
From: vand <vand@dtu.dk>
Date: Thu, 10 Jun 2021 19:33:44 +0000
Subject: [PATCH] Upload New File
---
module3_wrapup.py | 86 +++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 86 insertions(+)
create mode 100644 module3_wrapup.py
diff --git a/module3_wrapup.py b/module3_wrapup.py
new file mode 100644
index 0000000..69b5abe
--- /dev/null
+++ b/module3_wrapup.py
@@ -0,0 +1,86 @@
+## module 3, example - not needing selection statement
+
+x = 5
+
+# I want to make sure that x is not smaller than 0
+
+# One way of achieving this:
+if x<0:
+ x = 0
+
+# A better way of achieving the same:
+x = max(x,0)
+
+
+#%% module 3, example - short-circuit operators
+
+name = 'Vedrana'
+
+# I want to check if the name starts with 'Ved'. But what if name has less than
+# 3 letters? I need to make sure that name[:3] is not evaluated if name is too
+# short. I add the first condition and the second condition will not be
+# evaluated if the first is false.
+
+if len(name)>2 and name[:3]=='Ved':
+ print('Cool')
+
+
+#%% module 3, example -- an extra condition
+
+x = 4
+
+# I want to check whethr x is bigger than 5
+
+# A bad way of achieving this:
+if x>5:
+ print('Bigger than 5')
+elif x<=5:
+ print('Smaller or equal 5')
+
+# A better way of achieving this:
+if x>5:
+ print('Bigger than 5')
+else:
+ print('Smaller or equal 5')
+
+#%% module 3, example -- nothing to fall to
+
+# Make sure that return value is assigned in the function call
+
+def give_verdict(x):
+ x = ''
+ if x>0:
+ verdict = 'Bigger than 0'
+ elif x<0:
+ verdict = 'Smaller than 0'
+ return verdict
+
+print(give_verdict(0))
+
+
+#%% module 3, example -- using boolean flags
+
+is_rgb = False
+
+if is_rgb: # dont write "if is_rgb==True"
+ print('special treatment for color images')
+else:
+ print('no special treatment')
+
+
+#%% module 3, example -- debugging, line by line
+
+x = 41.7
+
+if x > 137/4:
+ x = 2*x + 154/18
+elif x< 117/4:
+ x = x + 154/18
+
+
+
+
+
+
+
+
--
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