10 day challenge

chapter2_exercises.py

@@ -1,3 +1,26 @@
 # Exercises for chapter 2:
 
-# Name:
+# Name:Shishira Adiga
+
+#Exercise 2.1--appending 0 indicates octal system hence outputs octal value of the integer typed.
+
+#Exercise 2.2
+print 5
+#print x = 5 --this as per textbook produceses syntax error
+x = 5
+print x+1
+#this code outputs 5 and 6
+
+# Exercise 2.3
+#1.width/2 -- value = 8;type = integer.
+#2.widht/2.0 -- value = 8.5;type = float.
+#3.height/3 -- value =4.0 ; type = float.
+#4.1+2*5 -- value = 11; type=integer.
+#5.delimiter*5 -- value = .....;type = string;
+
+#Exercise 2.4
+#1--4/3.0*pi*5**3 = 523.333
+#2--$1574.2
+#3--7 hours 30 mins 6 seconds
+
+

chapter3_exercises.py

@@ -1,3 +1,73 @@
 # Exercises for chapter 3:
 
-# Name:
+# Name:Shishira Adiga
+
+#3.1
+'''def print_lyrics():
+       print "I'm a lumberjack, and I'm okay."
+       print "I sleep all night and I work all day."
+
+    def repeat_lyrics():
+    	print_lyrics()
+    	print_lyrics()
+
+    repeat_lyrics()'''
+
+#3.1    
+#NameError: 'repeat_lyrics' is not defined
+
+#3.2
+#I'm a lumberjack, and I'm okay.
+#I sleep all night and I work all day.
+#I'm a lumberjack, and I'm okay.
+#I sleep all night and I work all day.
+#question--how come you get the right answer?since you're calling function print_lyrics before defination.
+
+#3.3
+def right_justify(s):
+	b=len(s)
+	print(' '*(70-b)+s)
+
+right_justify('time')
+
+#3.4
+#1
+def do_twice(f):
+	f()
+	f()
+
+def print_spam():
+	print 'spam'
+
+do_twice(print_spam)
+
+#2
+def do_twice(f,g):
+	f(g)
+	f(g)
+
+def print_twice(s):
+	print s*2
+
+do_twice(print_twice,'start')
+
+#3
+def print_twice(s):
+	print s*2
+
+print_twice('start')
+
+#4
+def do_four(f,g):
+	 do_twice(f,g)
+	 do_twice(f,g)
+
+def do_twice(f,g):
+	f(g)
+	f(g)
+
+def print_twice(s):
+	 print s*2
+
+
+do_four(print_twice,'start')