Initial commit

python/List/Python function that takes two lists and returns True if they have at least one common member.py

@@ -0,0 +1,9 @@
+def common_data(list1, list2):  
+     result = False  
+     for x in list1:  
+         for y in list2:  
+             if x == y:  
+                 result = True  
+                 return result  
+print(common_data([1,2,3,4,5], [5,6,7,8,9]))  
+print(common_data([1,2,3,4,5], [6,7,8,9]))  

python/List/Python program access the index of a list.py

@@ -0,0 +1,3 @@
+nums = [5, 15, 35, 8, 98]  
+for num_index, num_val in enumerate(nums):  
+    print(num_index, num_val)

python/List/Python program to append a list to the second list.py

@@ -0,0 +1,4 @@
+list1 = [1, 2, 3, 0]  
+list2 = ['Red', 'Green', 'Black']  
+final_list = list1 + list2  
+print(final_list)

python/List/Python program to check whether a list contains a sublist.py

@@ -0,0 +1,26 @@
+def is_Sublist(l, s):  
+    sub_set = False  
+    if s == []:  
+        sub_set = True  
+    elif s == l:  
+        sub_set = True  
+    elif len(s) > len(l):  
+        sub_set = False  
+  
+    else:  
+        for i in range(len(l)):  
+            if l[i] == s[0]:  
+                n = 1  
+                while (n < len(s)) and (l[i+n] == s[n]):  
+                    n += 1  
+                  
+                if n == len(s):  
+                    sub_set = True  
+  
+    return sub_set  
+  
+a = [2,4,3,5,7]  
+b = [4,3]  
+c = [3,7]  
+print(is_Sublist(a, b))  
+print(is_Sublist(a, c))  

python/List/Python program to check whether two lists are circularly identical.py

@@ -0,0 +1,8 @@
+list1 = [10, 10, 0, 0, 10]  
+list2 = [10, 10, 10, 0, 0]  
+list3 = [1, 10, 10, 0, 0]  
+  
+print('Compare list1 and list2')  
+print(' '.join(map(str, list2)) in ' '.join(map(str, list1 * 2)))  
+print('Compare list1 and list3')  
+print(' '.join(map(str, list3)) in ' '.join(map(str, list1 * 2))) 

python/List/Python program to count the number of elements in a list within a specified range.py

@@ -0,0 +1,12 @@
+def count_range_in_list(li, min, max):  
+    ctr = 0  
+    for x in li:  
+        if min <= x <= max:  
+            ctr += 1  
+    return ctr  
+  
+list1 = [10,20,30,40,40,40,70,80,99]  
+print(count_range_in_list(list1, 40, 100))  
+  
+list2 = ['a','b','c','d','e','f']  
+print(count_range_in_list(list2, 'a', 'e'))  

python/List/Python program to count the number of strings where the string length is 2 or more and the first and last character are same from a given list of strings.py

@@ -0,0 +1,9 @@
+def match_words(words):  
+  ctr = 0  
+  
+  for word in words:  
+    if len(word) > 1 and word[0] == word[-1]:  
+      ctr += 1  
+  return ctr  
+  
+print(match_words(['abc', 'xyz', 'aba', '1221']))  

python/List/Python program to find the list of words that are longer than n from a given list of words.py

@@ -0,0 +1,8 @@
+def long_words(n, str):  
+    word_len = []  
+    txt = str.split(" ")  
+    for x in txt:  
+        if len(x) > n:  
+            word_len.append(x)  
+    return word_len   
+print(long_words(3, "The quick brown fox jumps over the lazy dog"))  

python/List/Python program to find the second largest number in a list.py

@@ -0,0 +1,13 @@
+def second_largest(numbers):  
+    count = 0  
+    n1 = n2 = float('-inf')  
+    for x in numbers:  
+        count += 1  
+        if x > n2:  
+            if x >= n1:  
+                n1, n2 = x, n1              
+            else:  
+                n2 = x  
+    return n2 if count >= 2 else None  
+  
+print(second_largest([1, 2, -8, -2, 0])) 

python/List/Python program to find the second smallest number in a list.py

@@ -0,0 +1,9 @@
+def second_smallest(numbers):  
+    a1, a2 = float('inf'), float('inf')  
+    for x in numbers:  
+        if x <= a1:  
+            a1, a2 = x, a1  
+        elif x < a2:  
+            a2 = x  
+    return a2  
+print(second_smallest([1, 2, -8, -2, 0])) 

python/List/Python program to flatten a shallow list.py

@@ -0,0 +1,4 @@
+import itertools  
+original_list = [[2,4,3],[1,5,6], [9], [7,9,0]]  
+new_merged_list = list(itertools.chain(*original_list))  
+print(new_merged_list)  

python/List/Python program to generate all sublists of a list.py

@@ -0,0 +1,15 @@
+def sub_lists(my_list):  
+    subs = [[]]  
+    for i in range(len(my_list)):  
+        n = i+1  
+        while n <= len(my_list):  
+            sub = my_list[i:n]  
+            subs.append(sub)  
+            n += 1  
+      
+    return subs  
+  
+l1 = [10, 20, 30, 40]  
+l2 = ['X', 'Y', 'Z']  
+print(sub_lists(l1))  
+print(sub_lists(l2))  

python/List/Python program to generate and print a list except for the first 5 elements, where the values are square of numbers between 1 and 30 (both included).py

@@ -0,0 +1,7 @@
+def printValues():  
+    l = list()  
+    for i in range(1,21):  
+        l.append(i**2)  
+    print(l[5:])  
+  
+printValues() 

python/List/Python program to generate and print a list of first and last 5 elements where the values are square of numbers between 1 and 30 (both included).py

@@ -0,0 +1,8 @@
+def printValues():  
+    l = list()  
+    for i in range(1,21):  
+        l.append(i**2)  
+    print(l[:5])  
+    print(l[-5:])  
+  
+printValues()  

python/List/Python program to get a list, sorted in increasing order by the last element in each tuple from a given list of non-empty tuples.py

@@ -0,0 +1,6 @@
+def last(n): return n[-1]  
+  
+def sort_list_last(tuples):  
+  return sorted(tuples, key=last)  
+  
+print(sort_list_last([(2, 5), (1, 2), (4, 4), (2, 3), (2, 1)]))  

python/List/Python program to get the frequency of the elements in a list.py

@@ -0,0 +1,5 @@
+import collections  
+my_list = [10,10,10,10,20,20,20,20,40,40,50,50,30]  
+print("Original List : ",my_list)  
+ctr = collections.Counter(my_list)  
+print("Frequency of the elements in the List : ",ctr)  

python/List/Python program to get the largest number from a list.py

@@ -0,0 +1,7 @@
+def max_num_in_list( list ):  
+    max = list[ 0 ]  
+    for a in list:  
+        if a > max:  
+            max = a  
+    return max  
+print(max_num_in_list([1, 2, -8, 0]))  

python/List/Python program to get the smallest number from a list.py

@@ -0,0 +1,7 @@
+def smallest_num_in_list( list ):  
+    min = list[ 0 ]  
+    for a in list:  
+        if a < min:  
+            min = a  
+    return min  
+print(smallest_num_in_list([1, 2, -8, 0]))  

python/List/Python program to get unique values from a list.py

@@ -0,0 +1,5 @@
+my_list = [10, 20, 30, 40, 20, 50, 60, 40]  
+print("Original List : ",my_list)  
+my_set = set(my_list)  
+my_new_list = list(my_set)  
+print("List of unique numbers : ",my_new_list) 

python/List/Python program to multiplies all the items in a list.py

@@ -0,0 +1,6 @@
+def multiply_list(items):  
+    tot = 1  
+    for x in items:  
+        tot *= x  
+    return tot  
+print(multiply_list([1,2,-8]))

python/List/Python program to print a specified list after removing the 0th, 2nd, 4th and 5th elements.py

@@ -0,0 +1,3 @@
+color = ['Red', 'Green', 'White', 'Black', 'Pink', 'Yellow']  
+color = [x for (i,x) in enumerate(color) if i not in (0,4,5)]  
+print(color)  

python/List/Python program to remove duplicates from a list.py

@@ -0,0 +1,10 @@
+a = [10,20,30,20,10,50,60,40,80,50,40]  
+  
+dup_items = set()  
+uniq_items = []  
+for x in a:  
+    if x not in dup_items:  
+        uniq_items.append(x)  
+        dup_items.add(x)  
+  
+print(dup_items) 

python/List/Python program to shuffle and print a specified list.py

@@ -0,0 +1,4 @@
+from random import shuffle  
+color = ['Red', 'Green', 'White', 'Black', 'Pink', 'Yellow']  
+shuffle(color)  
+print(color)  

python/List/Python program to sum all the items in a list.py

@@ -0,0 +1,6 @@
+def sum_list(items):  
+    sum_numbers = 0  
+    for x in items:  
+        sum_numbers += x  
+    return sum_numbers  
+print(sum_list([1,2,-8]))  

python/List/Python program using Sieve of Eratosthenes method for computing primes upto a specified number.py

@@ -0,0 +1,10 @@
+def prime_eratosthenes(n):  
+    prime_list = []  
+    for i in range(2, n+1):  
+        if i not in prime_list:  
+            print (i)  
+            for j in range(i*i, n+1, i):  
+                prime_list.append(j)  
+  
+print(prime_eratosthenes(100))';  
+include("../../new_editor/editor_python.php")