Adds count even and odds, functions in list and intro to list solutions

README.md

@@ -81,6 +81,9 @@ My solutions to competitive programming problems in [Geeks for Geeks](https://au
 |Find immediate smaller than X|[C++](c++/find_immediate_smaller_than_x.cpp)|
 |Kth Smallest Element|[C++](c++/kth-smallest-number.cpp)|
 |Alone in Couple|[C++](c++/alone-in-couple.cpp)|
+|Intro to list|[Python](python/intro-to-list.py)|
+|Count even odd python|[Python](python/count-even-odd-python.py)|
+|Functions in list|[Python](python/functions-in-list.py)|
 |Pair sum in vector(sum second element of the second element)|[C++](c++/pair-sum-in-vector.cpp)|
 |Index of the first repeating element |[C++](c++/first-repeating-element.cpp)|
 |K-th element of two sorted Arrays(merge of two arrays)|[C++](c++/k-th-element-of-two-sorted-arrays.cpp)|

python/count-even-odd-python.py

@@ -0,0 +1,19 @@
+#  https://practice.geeksforgeeks.org/problems/count-even-odd-python/1/?track=python-module-5&batchId=119
+def count_even_odd(n, arr):
+    c_e = 0
+    c_o = 0
+
+    pair = list()
+
+    # your code here
+    for x in arr:
+        if x%2 == 0:
+            c_e += 1
+        else:
+            c_o += 1
+
+    pair.append(c_e)
+    pair.append(c_o)
+
+    return pair
+

python/functions-in-list.py

@@ -0,0 +1,24 @@
+# https://practice.geeksforgeeks.org/problems/functions-in-lists-python/1/?track=python-module-5&batchId=11
+
+# Function to sort the list
+def sort_arr(arr):
+    arr.sort()
+
+# Function to join list elements
+# with string as delimiter
+def join_list(arr, string):
+    return string.join(arr)
+
+
+# Function to reverse array elements
+def rev_arr(arr):
+    arr.reverse()
+
+# Function to insert element at index
+def insert_arr(arr, index, element):
+    arr.insert(index, element)
+
+# Function to pop element from array at index
+def pop_arr(arr, index):
+    arr.pop(index)
+

python/intro-to-list.py

@@ -0,0 +1,9 @@
+# https://practice.geeksforgeeks.org/problems/intro-to-lists-python/1/?track=python-module-5&batchId=119
+def check_zero(size_array, arr):
+
+    # complete the if statement to check
+    # if first or last element in list is 0
+    if arr[0] == 0 or arr[size_array-1] == 0 :
+        return True
+
+    return False