./Maths/SieveOfEratosthenes.py:2:9: F821 undefined name 'raw_input'
n = int(raw_input("Enter n: "))
        ^
./Neural_Network/perceptron.py:123:32: F821 undefined name 'raw_input'
        sample.insert(i, float(raw_input('value: ')))
                               ^
./ciphers/brute-force_caesar_cipher.py:47:15: F821 undefined name 'raw_input'
    message = raw_input("Encrypted message: ")
              ^
./ciphers/transposition_cipher_encrypt-decrypt_file.py:8:15: F821 undefined name 'raw_input'
    key = int(raw_input('Enter key: '))
              ^
./ciphers/transposition_cipher_encrypt-decrypt_file.py:9:12: F821 undefined name 'raw_input'
    mode = raw_input('Encrypt/Decrypt [e/d]: ')
           ^
./ciphers/transposition_cipher_encrypt-decrypt_file.py:16:20: F821 undefined name 'raw_input'
        response = raw_input('> ')
                   ^
./ciphers/rsa_cipher.py:9:16: F821 undefined name 'raw_input'
    response = raw_input('Encrypte\Decrypt [e\d]: ')
               ^
./ciphers/vigenere_cipher.py:5:15: F821 undefined name 'raw_input'
    message = raw_input('Enter message: ')
              ^
./ciphers/vigenere_cipher.py:6:11: F821 undefined name 'raw_input'
    key = raw_input('Enter key [alphanumeric]: ')
          ^
./ciphers/vigenere_cipher.py:7:12: F821 undefined name 'raw_input'
    mode = raw_input('Encrypt/Decrypt [e/d]: ')
           ^
./ciphers/simple_substitution_cipher.py:7:15: F821 undefined name 'raw_input'
    message = raw_input('Enter message: ')
              ^
./ciphers/simple_substitution_cipher.py:9:12: F821 undefined name 'raw_input'
    resp = raw_input('Encrypt/Decrypt [e/d]: ')
           ^
./ciphers/caesar_cipher.py:43:18: F821 undefined name 'raw_input'
        choice = raw_input("What would you like to do?: ")
                 ^
./ciphers/caesar_cipher.py:47:21: F821 undefined name 'raw_input'
            strng = raw_input("Please enter the string to be ecrypted: ")
                    ^
./ciphers/caesar_cipher.py:54:21: F821 undefined name 'raw_input'
            strng = raw_input("Please enter the string to be decrypted: ")
                    ^
./ciphers/caesar_cipher.py:56:23: F821 undefined name 'raw_int'
                key = raw_int(input("Please enter off-set between 1-94: "))
                      ^
./ciphers/caesar_cipher.py:61:21: F821 undefined name 'raw_input'
            strng = raw_input("Please enter the string to be decrypted: ")
                    ^
./ciphers/transposition_cipher.py:5:15: F821 undefined name 'raw_input'
    message = raw_input('Enter message: ')
              ^
./ciphers/transposition_cipher.py:6:15: F821 undefined name 'raw_input'
    key = int(raw_input('Enter key [2-%s]: ' % (len(message) - 1)))
              ^
./ciphers/transposition_cipher.py:7:12: F821 undefined name 'raw_input'
    mode = raw_input('Encryption/Decryption [e/d]: ')
           ^
./ciphers/affine_cipher.py:7:15: F821 undefined name 'raw_input'
    message = raw_input('Enter message: ')
              ^
./ciphers/affine_cipher.py:8:15: F821 undefined name 'raw_input'
    key = int(raw_input('Enter key [2000 - 9000]: '))
              ^
./ciphers/affine_cipher.py:9:12: F821 undefined name 'raw_input'
    mode = raw_input('Encrypt/Decrypt [E/D]: ')
           ^
./Graphs/scc_kosaraju.py:3:21: F821 undefined name 'raw_input'
n, m = list(map(int,raw_input().split()))
                    ^
./Graphs/scc_kosaraju.py:9:25: F821 undefined name 'raw_input'
    u, v = list(map(int,raw_input().split()))
                        ^
./Graphs/MinimumSpanningTree_Prims.py:104:9: F821 undefined name 'raw_input'
n = int(raw_input("Enter number of vertices: "))
        ^
./Graphs/MinimumSpanningTree_Prims.py:105:9: F821 undefined name 'raw_input'
e = int(raw_input("Enter number of edges: "))
        ^
./Graphs/minimum_spanning_tree_kruskal.py:2:37: F821 undefined name 'raw_input'
num_nodes, num_edges = list(map(int,raw_input().split()))
                                    ^
./Graphs/minimum_spanning_tree_kruskal.py:7:36: F821 undefined name 'raw_input'
	node1, node2, cost = list(map(int,raw_input().split()))
                                   ^
./boolean_algebra/Quine_McCluskey/QuineMcCluskey.py:102:23: F821 undefined name 'raw_input'
	no_of_variable = int(raw_input("Enter the no. of variables\n"))
                      ^
./boolean_algebra/Quine_McCluskey/QuineMcCluskey.py:103:30: F821 undefined name 'raw_input'
	minterms = [int(x) for x in raw_input("Enter the decimal representation of Minterms 'Spaces Seprated'\n").split()]
                             ^
./data_structures/Graph/FloydWarshall.py:33:9: F821 undefined name 'raw_input'
V = int(raw_input("Enter number of vertices: "))
        ^
./data_structures/Graph/FloydWarshall.py:34:9: F821 undefined name 'raw_input'
E = int(raw_input("Enter number of edges: "))
        ^
./data_structures/Graph/FloydWarshall.py:43:12: F821 undefined name 'raw_input'
	src = int(raw_input("Enter source:"))
           ^
./data_structures/Graph/FloydWarshall.py:44:12: F821 undefined name 'raw_input'
	dst = int(raw_input("Enter destination:"))
           ^
./data_structures/Graph/FloydWarshall.py:45:17: F821 undefined name 'raw_input'
	weight = float(raw_input("Enter weight:"))
                ^
./data_structures/Graph/Dijkstra.py:41:9: F821 undefined name 'raw_input'
V = int(raw_input("Enter number of vertices: "))
        ^
./data_structures/Graph/Dijkstra.py:42:9: F821 undefined name 'raw_input'
E = int(raw_input("Enter number of edges: "))
        ^
./data_structures/Graph/Dijkstra.py:51:12: F821 undefined name 'raw_input'
	src = int(raw_input("Enter source:"))
           ^
./data_structures/Graph/Dijkstra.py:52:12: F821 undefined name 'raw_input'
	dst = int(raw_input("Enter destination:"))
           ^
./data_structures/Graph/Dijkstra.py:53:17: F821 undefined name 'raw_input'
	weight = float(raw_input("Enter weight:"))
                ^
./data_structures/Graph/Dijkstra.py:56:12: F821 undefined name 'raw_input'
gsrc = int(raw_input("\nEnter shortest path source:"))
           ^
./data_structures/Graph/BellmanFord.py:38:9: F821 undefined name 'raw_input'
V = int(raw_input("Enter number of vertices: "))
        ^
./data_structures/Graph/BellmanFord.py:39:9: F821 undefined name 'raw_input'
E = int(raw_input("Enter number of edges: "))
        ^
./data_structures/Graph/BellmanFord.py:48:12: F821 undefined name 'raw_input'
	src = int(raw_input("Enter source:"))
           ^
./data_structures/Graph/BellmanFord.py:49:12: F821 undefined name 'raw_input'
	dst = int(raw_input("Enter destination:"))
           ^
./data_structures/Graph/BellmanFord.py:50:17: F821 undefined name 'raw_input'
	weight = float(raw_input("Enter weight:"))
                ^
./data_structures/Graph/BellmanFord.py:53:12: F821 undefined name 'raw_input'
gsrc = int(raw_input("\nEnter shortest path source:"))
           ^
./Project Euler/Problem 07/sol2.py:7:9: F821 undefined name 'raw_input'
n = int(raw_input('Enter The N\'th Prime Number You Want To Get: ')) # Ask For The N'th Prime Number Wanted
        ^
./Project Euler/Problem 07/sol1.py:19:9: F821 undefined name 'raw_input'
n = int(raw_input())
        ^
./Project Euler/Problem 04/sol2.py:15:7: F821 undefined name 'raw_input'
n=int(raw_input())
      ^
./Project Euler/Problem 04/sol1.py:7:13: F821 undefined name 'raw_input'
limit = int(raw_input("limit? "))
            ^
./Project Euler/Problem 06/sol2.py:12:9: F821 undefined name 'raw_input'
n = int(raw_input())
        ^
./Project Euler/Problem 06/sol1.py:15:9: F821 undefined name 'raw_input'
n = int(raw_input())
        ^
./Project Euler/Problem 16/sol1.py:1:13: F821 undefined name 'raw_input'
power = int(raw_input("Enter the power of 2: "))
            ^
./Project Euler/Problem 20/sol1.py:18:14: F821 undefined name 'raw_input'
number = int(raw_input("Enter the Number: "))
             ^
./Project Euler/Problem 02/sol3.py:10:9: F821 undefined name 'raw_input'
n = int(raw_input())
        ^
./Project Euler/Problem 03/sol2.py:7:7: F821 undefined name 'raw_input'
n=int(raw_input())
      ^
./Project Euler/Problem 03/sol1.py:22:7: F821 undefined name 'raw_input'
n=int(raw_input())
      ^
./Project Euler/Problem 09/sol2.py:9:9: F821 undefined name 'raw_input'
N = int(raw_input())
        ^
./Project Euler/Problem 08/sol1.py:4:12: F821 undefined name 'raw_input'
    number=raw_input().strip()
           ^
./Project Euler/Problem 05/sol2.py:16:9: F821 undefined name 'raw_input'
n = int(raw_input())
        ^
./Project Euler/Problem 05/sol1.py:8:9: F821 undefined name 'raw_input'
n = int(raw_input())
        ^
./Project Euler/Problem 13/sol1.py:7:9: F821 undefined name 'raw_input'
n = int(raw_input().strip())
        ^
./Project Euler/Problem 13/sol1.py:11:22: F821 undefined name 'raw_input'
    array.append(int(raw_input().strip()))
                     ^
./other/nested_brackets.py:40:9: F821 undefined name 'raw_input'
    S = raw_input("Enter sequence of brackets: ")
        ^
./other/tower_of_hanoi.py:22:18: F821 undefined name 'raw_input'
    height = int(raw_input('Height of hanoi: '))
                 ^
./machine_learning/perceptron.py:123:32: F821 undefined name 'raw_input'
        sample.insert(i, float(raw_input('value: ')))
                               ^
./machine_learning/logistic_regression.py:19:1: F821 undefined name 'get_ipython'
get_ipython().run_line_magic('matplotlib', 'inline')
^
69    F821 undefined name 'raw_input'
69