New

Python_Exercises.py

@@ -4,23 +4,28 @@
 # Answer the questions or complete the tasks outlined in bold below.
 
 
+from re import L
+
+
 def power(a,b):
 
     # ** What is 7 to the power of 4?**
+    return a**b
 
     return None
 
 
 
 def split_str(s):
 
-    # ** Split this string:**
+# ** Split this string:**
 # 
 #     s = "Hi there Sam!"
 #     
 # **into a list. **
+    l1=s.split()
 
-    return None
+    return l1
 
 
 def format(planet,diameter):
@@ -33,8 +38,9 @@ def format(planet,diameter):
 # ** Use .format() to print the following string: **
 # 
 #     The diameter of Earth is 12742 kilometers.
+    l="The diameter of {} is {} kilometers.".format(planet,diameter)
 
-    return None
+    return l
 
 
 
@@ -43,26 +49,27 @@ def indexing(lst):
 # ** Given this nested list, use indexing to grab the word "hello" **
 
 #lst = [1,2,[3,4],[5,[100,200,['hello']],23,11],1,7]
+    s= lst[3][1][2][0]
 
-    return None
+    return s
 
 
 def dictionary(d):
 
 # ** Given this nested dictionary grab the word "hello". Be prepared, this will be annoying/tricky **
 
 # d = {'k1':[1,2,3,{'tricky':['oh','man','inception',{'target':[1,2,3,'hello']}]}]}
+    s=d['k1'][3]['tricky'][3]['target'][3]
 
-
-    return None
+    return s
 
 
 def subjective():
 
 # ** What is the main difference between a tuple and a list? **
 # Tuple is _______
 
-    return None
+    return "immutable"
 
 
 
@@ -74,22 +81,28 @@ def domainGet(email):
 #     user@domain.com
 #     
 # **So for example, passing "user@domain.com" would return: domain.com**
+    l=len(email)
+    i=email.index('@')
+    s=email[i+1:l]
 
-    return None
+    return s
 
 
 def findDog(st):
 
 # ** Create a basic function that returns True if the word 'dog' is contained in the input string. Don't worry about edge cases like a punctuation being attached to the word dog, but do account for capitalization. **
+    flag=st.find('dog')
+    t=flag!=-1
 
-    return None
+    return t
 
 
 def countDog(st):
 
 # ** Create a function that counts the number of times the word "dog" occurs in a string. Again ignore edge cases. **
+    count=st.count('dog')
 
-    return None
+    return count
 
 
 
@@ -102,8 +115,9 @@ def lambdafunc(seq):
 # **should be filtered down to:**
 # 
 #     ['soup','salad']
+    out=filter(lambda var : var[0]=='s',seq)
 
-    return None
+    return list(out)
 
 
 def caught_speeding(speed, is_birthday):
@@ -114,8 +128,21 @@ def caught_speeding(speed, is_birthday):
 #   If your speed is 60 or less, the result is "No Ticket". If speed is between 61 
 #   and 80 inclusive, the result is "Small Ticket". If speed is 81 or more, the result is "Big    Ticket". Unless it is your birthday (encoded as a boolean value in the parameters of the function) -- on your birthday, your speed can be 5 higher in all 
 #   cases. **
-
-    return None
+    if(is_birthday==True):
+      if(speed<=65):
+        s= "No Ticket"
+      elif(speed<=85):
+        s= "Small Ticket"
+      else:
+        s= "Big Ticket"
+    else:
+      if(speed<=60):
+        s= "No Ticket"
+      elif(speed<=80):
+        s= "Small Ticket"
+      else:
+        s= "Big Ticket"
+    return s
 
 
 ## Numpy Exercises
@@ -128,8 +155,10 @@ def create_arr_of_fives():
   #### Create an array of 10 fives
   #### Convert your output into list 
   #### e.g return list(arr) 
+  array=np.ones(10)*5
+  lis=list(array)
 
-  return None
+  return lis
 
 
 
@@ -138,8 +167,9 @@ def even_num():
   ### Create an array of all the even integers from 10 to 50
   ### Convert your output into list 
   ### e.g return list(arr) 
-
-  return None
+  array=np.arange(10,51,2)
+  lis=list(array)
+  return lis
 
 
 
@@ -148,8 +178,9 @@ def create_matrix():
   ### Create a 3x3 matrix with values ranging from 0 to 8
   ### Convert your output into list 
   ### e.g return (arr).tolist()
-
-  return None
+  arr=np.arange(0,9,1).reshape(3,3)
+  lis=arr.tolist()
+  return lis
 
 
 
@@ -158,8 +189,8 @@ def linear_space():
   ### Create an array of 20 linearly spaced points between 0 and 1
   ### Convert your output into list 
   ### e.g return list(arr) 
-
-  return None
+  arr=np.linspace(0,1,20)
+  return list(arr)
 
 
 
@@ -168,8 +199,8 @@ def decimal_mat():
   ### Create an array of size 10*10 consisting of numbers from 0.01 to 1
   ### Convert your output into list 
   ### e.g return (arr).tolist()
-
-  return None
+  arr=np.around(np.linspace(0.01,1.,100),decimals=2).reshape(10,10)
+  return arr.tolist()
 
 
 
@@ -189,8 +220,10 @@ def slices_1():
   # array([[12, 13, 14, 15],
   #      [17, 18, 19, 20],
   #      [22, 23, 24, 25]])
+  slice=arr[2:5,1:5]
+
 
-  return None
+  return slice.tolist()
 
 
 
@@ -210,8 +243,9 @@ def slices_2():
   # array([[ 2],
   #      [ 7],
   #      [12]])
+  slice=arr[0:3,1:2]
 
-  return None 
+  return slice.tolist()
 
 
 
@@ -230,8 +264,9 @@ def slices_3():
   ### e.g return (arr).tolist()
   # array([[16, 17, 18, 19, 20],
   #      [21, 22, 23, 24, 25]])
+  slice=arr[3:5]
 
-  return None 
+  return slice.tolist() 
 
 
 # Great job!