Completed Dictionaries and started Tuples

Author: kunalarya873

.DS_Store

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+#  Created by Elshad Karimov on 3/26/20.
+#  Copyright © 2020 Elshad Karimov. All rights reserved.
+
+################ Interview Questions #############
+#Question1
+def foo(array):
+    sum = 0
+    product = 1
+    for i in array:
+        sum += i
+    for i in array:
+        product *= i
+    print("Sum = "+str(sum)+", Product = "+str(product))
+
+ar1 = [1,2,3,4]
+foo(ar1)
+
+#Question2
+
+def printPairs(array):
+    for i in array:
+        for j in array:
+            print(str(i)+","+str(j))
+
+
+#Question3
+def printUnorderedPairs(array):
+    for i in range(0,len(array)):
+        for j in range(i+1,len(array)):
+            print(array[i] + "," + array[j])
+
+
+
+
+
+#Question4
+def printUnorderedPairs(arrayA, arrayB):
+    for i in range(len(arrayA)):
+        for j in range(len(arrayB)):
+            if arrayA[i] < arrayB[j]:
+                print(str(arrayA[i]) + "," + str(arrayB[j]))
+
+arrayA = [1,2,3,4,5]
+arrayB = [2,6,7,8]
+
+
+
+#Question5
+def printUnorderedPairs(arrayA, arrayB):
+    for i in range(len(arrayA)):
+        for j in range(len(arrayB)):
+            for k in range(0,100000):
+                print(str(arrayA[i]) + "," + str(arrayB[j]))
+
+# printUnorderedPairss(arrayA,arrayB)
+
+
+#Question6
+def reverse(array):
+    for i in range(0,int(len(array)/2)):
+        other = len(array)-i-1
+        temp = array[i]
+        array[i] = array[other]
+        array[other] = temp
+    print(array)
+
+reverse(arrayA)
+

BigO/interviewQuestionsBigO.py

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+#   Created by Elshad Karimov on 20/04/2020.
+#   Copyright © 2020 AppMillers. All rights reserved.
+
+#  Update / add an element to the dictionary
+
+myDict = {'name': 'Edy', 'age': 26}
+myDict['address'] = 'London'
+print(myDict)
+
+#  Traverse through a dictionary
+
+def traverseDict(dict):
+    for key in dict:
+        print(key, dict[key])
+
+traverseDict(myDict)
+
+#  Searching a dictionary
+
+
+def searchDict(dict, value):
+    for key in dict:
+        if dict[key] == value:
+            return key, value
+    return 'The value does not exist'
+print(searchDict(myDict, 27))
+
+#  Delete or remove a dictionary
+
+myDict.pop('name')
+
+
+
+
+# sorted method
+myDict = {'eooooa': 1, 'aas': 2, 'udd': 3, 'sseo': 4, 'werwi': 5}
+
+print(sorted(myDict, key=len))

Dictionary/dictionary1.py

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+#   Created by Elshad Karimov on 26/04/2020.
+#   Copyright © 2020 AppMillers. All rights reserved
+
+# Dictionary Interview Questions
+
+
+# Q-1. What will be the output of the following code snippet?
+
+a = {(1,2):1,(2,3):2}
+print(a[1,2])
+# A. Key Error
+# B.  1
+# C. {(2,3):2}
+# D. {(1,2):1}
+ 
+
+# Q-2. What will be the output of the following code snippet?
+
+a = {'a':1,'b':2,'c':3}
+# print (a['a','b'])
+# A. Key Error
+# B. [1,2]
+# C. {‘a’:1,’b’:2}
+# D. (1,2)
+
+ 
+
+# Q-3. What will be the output of the following code block?
+
+fruit = {}
+
+def addone(index):
+    if index in fruit:
+        fruit[index] += 1
+    else:
+        fruit[index] = 1
+        
+addone('Apple')
+addone('Banana')
+addone('apple')
+print (len(fruit))
+# A. 1 
+# B. 2
+# C. 3 
+# D. 4
+
+ 
+
+# Q-4. What will be the output of the following code block?
+
+arr = {}
+arr[1] = 1
+arr['1'] = 2
+arr[1] += 1
+
+sum = 0
+for k in arr:
+    sum += arr[k]
+
+print(sum)
+# A. 1 
+# B. 2
+# C. 3 
+# D. 4
+
+ 
+
+# Q-5. What will be the output of the following code snippet?
+
+my_dict = {}
+my_dict[1] = 1
+my_dict['1'] = 2
+my_dict[1.0] = 4
+
+sum = 0
+for k in my_dict:
+    sum += my_dict[k]
+    
+print (sum)
+# A. 7
+# B. Syntax error
+# C. 3
+# D. 6
+
+ 
+
+# Q-6. What will be the output of the following code snippet?
+
+my_dict = {}
+my_dict[(1,2,4)] = 8
+my_dict[(4,2,1)] = 10
+my_dict[(1,2)] = 12
+
+sum = 0
+for k in my_dict:
+    sum += my_dict[k]
+
+print (sum)
+print(my_dict)
+# A. Syntax error
+# B. 30   
+#     {(1, 2): 12, (4, 2, 1): 10, (1, 2, 4): 8}
+# C. 47
+#     {(1, 2): 12, (4, 2, 1): 10, (1, 2, 4): 8}
+# D. 30
+#     {[1, 2]: 12, [4, 2, 1]: 10, [1, 2, 4]: 8}
+
+ 
+
+# Q-7. What will be the output of the following code snippet?
+
+box = {}
+jars = {}
+crates = {}
+box['biscuit'] = 1
+box['cake'] = 3
+jars['jam'] = 4
+crates['box'] = box
+crates['jars'] = jars
+# print(len(crates[box]))
+# A. 1
+# B. 3
+# C. 4
+# D. Type Error
+
+ 
+
+# Q-8. What will be the output of the following code block?
+
+dict = {'c': 97, 'a': 96, 'b': 98}
+
+for _ in sorted(dict):
+    print (dict[_])
+# A. 96 98 97
+# B. 96 97 98
+# C. 98 97 96
+# D. NameError
+
+ 
+
+# Q-9. What will be the output of the following code snippet?
+
+rec = {"Name" : "Python", "Age":"20"}
+r = rec.copy()
+print(id(r) == id(rec))
+# A. True
+# B. False
+# C. 0
+# D. 1
+
+ 
+
+# Q-10. What will be the output of the following code snippet?
+
+rec = {"Name" : "Python", "Age":"20", "Addr" : "NJ", "Country" : "USA"}
+id1 = id(rec)
+del rec
+rec = {"Name" : "Python", "Age":"20", "Addr" : "NJ", "Country" : "USA"}
+id2 = id(rec)
+print(id1 == id2)
+# A. True
+# B. False
+# C. 1
+# D. Exception