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Write a function to find the kth element in the given array.

def kth_element(arr, n, k): for i in range(n): for j in range(0, n-i-1): if arr[j] > arr[j+1]: arr[j], arr[j+1] == arr[j+1], arr[j] return arr[k-1]

Write a function to convert snake case string to camel case string.

def snake_to_camel(word): import re return ''.join(x.capitalize() or '_' for x in word.split('_'))

Write a function to find eulerian number a(n, m).

def eulerian_num(n, m): if (m >= n or n == 0): return 0 if (m == 0): return 1 return ((n - m) * eulerian_num(n - 1, m - 1) +(m + 1) * eulerian_num(n - 1, m))

Write a function to sort each sublist of strings in a given list of lists using lambda function.

def sort_sublists(input_list): result = [sorted(x, key = lambda x:x[0]) for x in input_list] return result

Write a python function to count true booleans in the given list.

def count(lst): return sum(lst)

Write a function to add the given list to the given tuples.

def add_lists(test_list, test_tup): res = tuple(list(test_tup) + test_list) return (res)

Write a python function to count hexadecimal numbers for a given range.

def count_Hexadecimal(L,R) : count = 0; for i in range(L,R + 1) : if (i >= 10 and i <= 15) : count += 1; elif (i > 15) : k = i; while (k != 0) : if (k % 16 >= 10) : count += 1; k = k // 16; return count;

Write a function to merge multiple sorted inputs into a single sorted iterator using heap queue algorithm.

import heapq def merge_sorted_list(num1,num2,num3): num1=sorted(num1) num2=sorted(num2) num3=sorted(num3) result = heapq.merge(num1,num2,num3) return list(result)

Write a python function to find the count of rotations of a binary string with odd value.

def odd_Equivalent(s,n): count=0 for i in range(0,n): if (s[i] == '1'): count = count + 1 return count

Write a function to extract the ranges that are missing from the given list with the given start range and end range values.

def extract_missing(test_list, strt_val, stop_val): res = [] for sub in test_list: if sub[0] > strt_val: res.append((strt_val, sub[0])) strt_val = sub[1] if strt_val < stop_val: res.append((strt_val, stop_val)) return (res)

Write a function to find common elements in given nested lists. * list item * list item * list item * list item

def common_in_nested_lists(nestedlist): result = list(set.intersection(*map(set, nestedlist))) return result

Write a python function to find the perimeter of a cylinder.

def perimeter(diameter,height) : return 2*(diameter+height)

Write a function to check if a string represents an integer or not.

def check_integer(text): text = text.strip() if len(text) < 1: return None else: if all(text[i] in "0123456789" for i in range(len(text))): return True elif (text[0] in "+-") and \ all(text[i] in "0123456789" for i in range(1,len(text))): return True else: return False

Write a function to assign frequency to each tuple in the given tuple list.

from collections import Counter def assign_freq(test_list): res = [(*key, val) for key, val in Counter(test_list).items()] return (str(res))

Write a function to check whether all dictionaries in a list are empty or not.

def empty_dit(list1): empty_dit=all(not d for d in list1) return empty_dit

Write a function to convert a given tuple of positive integers into an integer.

def tuple_to_int(nums): result = int(''.join(map(str,nums))) return result

Write a function to convert all possible convertible elements in the list to float.

def list_to_float(test_list): res = [] for tup in test_list: temp = [] for ele in tup: if ele.isalpha(): temp.append(ele) else: temp.append(float(ele)) res.append((temp[0],temp[1])) return (str(res))

[link text](https:// [link text](https:// [link text](https://)))write a function to convert a string to a list.

def string_to_list(string): lst = list(string.split(" ")) return lst

Write a python function to find the element that appears only once in a sorted array.

def search(arr,n) : XOR = 0 for i in range(n) : XOR = XOR ^ arr[i] return (XOR)

Write a function to find the maximum product from the pairs of tuples within a given list.

def max_product_tuple(list1): result_max = max([abs(x * y) for x, y in list1] ) return result_max

Write a function to find the triplet with sum of the given array

def check_triplet(A, n, sum, count): if count == 3 and sum == 0: return True if count == 3 or n == 0 or sum < 0: return False return check_triplet(A, n - 1, sum - A[n - 1], count + 1) or\ check_triplet(A, n - 1, sum, count)

Write a function to find n’th smart number.

MAX = 3000 def smartNumber(n): primes = [0] * MAX result = [] for i in range(2, MAX): if (primes[i] == 0): primes[i] = 1 j = i * 2 while (j < MAX): primes[j] -= 1 if ( (primes[j] + 3) == 0): result.append(j) j = j + i result.sort() return result[n - 1]

Write a function to sum all amicable numbers from 1 to a specified number.

def amicable_numbers_sum(limit): if not isinstance(limit, int): return "Input is not an integer!" if limit < 1: return "Input must be bigger than 0!" amicables = set() for num in range(2, limit+1): if num in amicables: continue sum_fact = sum([fact for fact in range(1, num) if num % fact == 0]) sum_fact2 = sum([fact for fact in range(1, sum_fact) if sum_fact % fact == 0]) if num == sum_fact2 and num != sum_fact: amicables.add(num) amicables.add(sum_fact2) return sum(amicables)

Write a function to get the angle of a complex number.

import cmath def angle_complex(a,b): cn=complex(a,b) angle=cmath.phase(a+b) return angle

Write a function to find the maximum difference between the number of 0s and number of 1s in any sub-string of the given binary string.

def find_length(string, n): current_sum = 0 max_sum = 0 for i in range(n): current_sum += (1 if string[i] == '0' else -1) if current_sum < 0: current_sum = 0 max_sum = max(current_sum, max_sum) return max_sum if max_sum else 0

Write a python function to find the sum of common divisors of two given numbers.

def sum(a,b): sum = 0 for i in range (1,min(a,b)): if (a % i == 0 and b % i == 0): sum += i return sum

Write a function to multiply two integers without using the * operator in python.

def multiply_int(x, y): if y < 0: return -multiply_int(x, -y) elif y == 0: return 0 elif y == 1: return x else: return x + multiply_int(x, y - 1)

Write a function to shortlist words that are longer than n from a given list of words.

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

Write a function to calculate magic square.

def magic_square_test(my_matrix): iSize = len(my_matrix[0]) sum_list = [] sum_list.extend([sum (lines) for lines in my_matrix]) for col in range(iSize): sum_list.append(sum(row[col] for row in my_matrix)) result1 = 0 for i in range(0,iSize): result1 +=my_matrix[i][i] sum_list.append(result1) result2 = 0 for i in range(iSize-1,-1,-1): result2 +=my_matrix[i][i] sum_list.append(result2) if len(set(sum_list))>1: return False return True

Write a function to find the item with maximum frequency in a given list.

from collections import defaultdict def max_occurrences(nums): dict = defaultdict(int) for i in nums: dict[i] += 1 result = max(dict.items(), key=lambda x: x[1]) return result

Write a python function to reverse only the vowels of a given string.

def reverse_vowels(str1): vowels = "" for char in str1: if char in "aeiouAEIOU": vowels += char result_string = "" for char in str1: if char in "aeiouAEIOU": result_string += vowels[-1] vowels = vowels[:-1] else: result_string += char return result_string

Write a function to convert tuple to a string.

def tup_string(tup1): str = ''.join(tup1) return str

Write a function to calculate the sum of the negative numbers of a given list of numbers using lambda function.

def sum_negativenum(nums): sum_negativenum = list(filter(lambda nums:nums<0,nums)) return sum(sum_negativenum)

Write a python function to check whether the last element of given array is even or odd after performing an operation p times.

def check_last (arr,n,p): _sum = 0 for i in range(n): _sum = _sum + arr[i] if p == 1: if _sum % 2 == 0: return "ODD" else: return "EVEN" return "EVEN"

Write a function to find the nth hexagonal number.

def hexagonal_num(n): return n*(2*n - 1)

Write a function to calculate electricity bill.

def cal_electbill(units): if(units < 50): amount = units * 2.60 surcharge = 25 elif(units <= 100): amount = 130 + ((units - 50) * 3.25) surcharge = 35 elif(units <= 200): amount = 130 + 162.50 + ((units - 100) * 5.26) surcharge = 45 else: amount = 130 + 162.50 + 526 + ((units - 200) * 8.45) surcharge = 75 total = amount + surcharge return total

Write a function to find the ration of zeroes in an array of integers.

from array import array def zero_count(nums): n = len(nums) n1 = 0 for x in nums: if x == 0: n1 += 1 else: None return round(n1/n,2)

Write a python function to check whether the given number can be represented as sum of non-zero powers of 2 or not.

def is_Sum_Of_Powers_Of_Two(n): if (n % 2 == 1): return False else: return True

Write a function to find the circumference of a circle.

def circle_circumference(r): perimeter=2*3.1415*r return perimeter

Write a function to extract elements that occur singly in the given tuple list.

def extract_singly(test_list): res = [] temp = set() for inner in test_list: for ele in inner: if not ele in temp: temp.add(ele) res.append(ele) return (res)

Write a function to sort a list of elements using pancake sort.

def pancake_sort(nums): arr_len = len(nums) while arr_len > 1: mi = nums.index(max(nums[0:arr_len])) nums = nums[mi::-1] + nums[mi+1:len(nums)] nums = nums[arr_len-1::-1] + nums[arr_len:len(nums)] arr_len -= 1 return nums

Write a function to count the same pair in three given lists.

def count_samepair(list1,list2,list3): result = sum(m == n == o for m, n, o in zip(list1,list2,list3)) return result

Write a function to find number of lists present in the given tuple.

def find_lists(Input): if isinstance(Input, list): return 1 else: return len(Input)

Write a python function to find the sum of absolute differences in all pairs of the given array.

def sum_Pairs(arr,n): sum = 0 for i in range(n - 1,-1,-1): sum += i*arr[i] - (n-1-i) * arr[i] return sum

Write a python function to find the maximum difference between any two elements in a given array.

def max_Abs_Diff(arr,n): minEle = arr[0] maxEle = arr[0] for i in range(1, n): minEle = min(minEle,arr[i]) maxEle = max(maxEle,arr[i]) return (maxEle - minEle)

Write a function to find the ascii value of total characters in a string.

def ascii_value_string(str1): for i in range(len(str1)): return ord(str1[i])

Write a function to find the maximum total path sum in the given triangle.

def max_path_sum(tri, m, n): for i in range(m-1, -1, -1): for j in range(i+1): if (tri[i+1][j] > tri[i+1][j+1]): tri[i][j] += tri[i+1][j] else: tri[i][j] += tri[i+1][j+1] return tri[0][0]

Write a function to divide a number into two parts such that the sum of digits is maximum.

def sum_digits_single(x) : ans = 0 while x : ans += x % 10 x //= 10 return ans def closest(x) : ans = 0 while (ans * 10 + 9 <= x) : ans = ans * 10 + 9 return ans def sum_digits_twoparts(N) : A = closest(N) return sum_digits_single(A) + sum_digits_single(N - A)

Write a function to find the longest subsequence such that the difference between adjacents is one for the given array.

def longest_subseq_with_diff_one(arr, n): dp = [1 for i in range(n)] for i in range(n): for j in range(i): if ((arr[i] == arr[j]+1) or (arr[i] == arr[j]-1)): dp[i] = max(dp[i], dp[j]+1) result = 1 for i in range(n): if (result < dp[i]): result = dp[i] return result

Write a python function to find whether the given number is present in the infinite sequence or not.

def does_Contain_B(a,b,c): if (a == b): return True if ((b - a) * c > 0 and (b - a) % c == 0): return True return False

Write a python function to check whether the given number is co-prime or not.

def gcd(p,q): while q != 0: p, q = q,p%q return p def is_coprime(x,y): return gcd(x,y) == 1

Write a function to sort the given array by using merge sort.

def merge(a,b): c = [] while len(a) != 0 and len(b) != 0: if a[0] < b[0]: c.append(a[0]) a.remove(a[0]) else: c.append(b[0]) b.remove(b[0]) if len(a) == 0: c += b else: c += a return c def merge_sort(x): if len(x) == 0 or len(x) == 1: return x else: middle = len(x)//2 a = merge_sort(x[:middle]) b = merge_sort(x[middle:]) return merge(a,b)

Write a function to find the vertex of a parabola.

def parabola_vertex(a, b, c): vertex=(((-b / (2 * a)),(((4 * a * c) - (b * b)) / (4 * a)))) return vertex

Write a function to extract every specified element from a given two dimensional list.

def specified_element(nums, N): result = [i[N] for i in nums] return result

Write a python function to toggle all even bits of a given number.

def even_bit_toggle_number(n) : res = 0; count = 0; temp = n while (temp > 0) : if (count % 2 == 1) : res = res | (1 << count) count = count + 1 temp >>= 1 return n ^ res

Write a function to convert a tuple of string values to a tuple of integer values.

def tuple_int_str(tuple_str): result = tuple((int(x[0]), int(x[1])) for x in tuple_str) return result

Write a function to reflect the run-length encoding from a list.

from itertools import groupby def encode_list(list1): return [[len(list(group)), key] for key, group in groupby(list1)]

Write a python function to find k number of operations required to make all elements equal.

def min_Ops(arr,n,k): max1 = max(arr) res = 0 for i in range(0,n): if ((max1 - arr[i]) % k != 0): return -1 else: res += (max1 - arr[i]) / k return int(res)

Write a function to print the season for the given month and day.

def month_season(month,days): if month in ('January', 'February', 'March'): season = 'winter' elif month in ('April', 'May', 'June'): season = 'spring' elif month in ('July', 'August', 'September'): season = 'summer' else: season = 'autumn' if (month == 'March') and (days > 19): season = 'spring' elif (month == 'June') and (days > 20): season = 'summer' elif (month == 'September') and (days > 21): season = 'autumn' elif (month == 'October') and (days > 21): season = 'autumn' elif (month == 'November') and (days > 21): season = 'autumn' elif (month == 'December') and (days > 20): season = 'winter' return season

Write a function to find x and y that satisfies ax + by = n.

def solution (a, b, n): i = 0 while i * a <= n: if (n - (i * a)) % b == 0: return ("x = ",i ,", y = ", int((n - (i * a)) / b)) return 0 i = i + 1 return ("No solution")

Write a function to remove all elements from a given list present in another list.

def remove_elements(list1, list2): result = [x for x in list1 if x not in list2] return result

Write a function to calculate the sum of the positive integers of n+(n-2)+(n-4)... (until n-x =< 0).

def sum_series(n): if n < 1: return 0 else: return n + sum_series(n - 2)

Write a function to calculate the area of a regular polygon.

from math import tan, pi def area_polygon(s,l): area = s * (l ** 2) / (4 * tan(pi / s)) return area

Write a python function to check whether the sum of divisors are same or not.

import math def divSum(n): sum = 1; i = 2; while(i * i <= n): if (n % i == 0): sum = (sum + i +math.floor(n / i)); i += 1; return sum; def areEquivalent(num1,num2): return divSum(num1) == divSum(num2);

Write a python function to count characters at same position in a given string (lower and uppercase characters) as in english alphabet.

def count_char_position(str1): count_chars = 0 for i in range(len(str1)): if ((i == ord(str1[i]) - ord('A')) or (i == ord(str1[i]) - ord('a'))): count_chars += 1 return count_chars

Write a python function to count the pairs with xor as an even number.

def find_even_Pair(A,N): evenPair = 0 for i in range(0,N): for j in range(i+1,N): if ((A[i] ^ A[j]) % 2 == 0): evenPair+=1 return evenPair;

Write a python function to find smallest power of 2 greater than or equal to n.

def next_Power_Of_2(n): count = 0; if (n and not(n & (n - 1))): return n while( n != 0): n >>= 1 count += 1 return 1 << count;

Write a python function to find the frequency of a number in a given array.

def frequency(a,x): count = 0 for i in a: if i == x: count += 1 return count

Write a function to calculate the nth pell number.

def get_pell(n): if (n <= 2): return n a = 1 b = 2 for i in range(3, n+1): c = 2 * b + a a = b b = c return b

Write a function to find sum of the numbers in a list between the indices of a specified range.

def sum_range_list(list1, m, n): sum_range = 0 for i in range(m, n+1, 1): sum_range += list1[i] return sum_range

Write a function to find the perimeter of a pentagon.

import math def perimeter_pentagon(a): perimeter=(5*a) return perimeter

Write a function to find the occurence of characters 'std' in the given string 1. list item 1. list item 1. list item 2. list item 2. list item 2. list item

def count_occurance(s): count=0 for i in range(len(s)): if (s[i]== 's' and s[i+1]=='t' and s[i+2]== 'd'): count = count + 1 return count

Write a function to remove everything except alphanumeric characters from a string.

import re def remove_splchar(text): pattern = re.compile('[\W_]+') return (pattern.sub('', text))

Write a function to group a sequence of key-value pairs into a dictionary of lists.

def group_keyvalue(l): result = {} for k, v in l: result.setdefault(k, []).append(v) return result

Write a function to verify validity of a string of parentheses.

def is_valid_parenthese( str1): stack, pchar = [], {"(": ")", "{": "}", "[": "]"} for parenthese in str1: if parenthese in pchar: stack.append(parenthese) elif len(stack) == 0 or pchar[stack.pop()] != parenthese: return False return len(stack) == 0

Write a function to find the perimeter of a triangle.

def perimeter_triangle(a,b,c): perimeter=a+b+c return perimeter

Write a python function to find two distinct numbers such that their lcm lies within the given range.

def answer(L,R): if (2 * L <= R): return (L ,2*L) else: return (-1)

Write a function to search some literals strings in a string.

import re def string_literals(patterns,text): for pattern in patterns: if re.search(pattern, text): return ('Matched!') else: return ('Not Matched!')

Write a function to find if the given number is a keith number or not.

def is_num_keith(x): terms = [] temp = x n = 0 while (temp > 0): terms.append(temp % 10) temp = int(temp / 10) n+=1 terms.reverse() next_term = 0 i = n while (next_term < x): next_term = 0 for j in range(1,n+1): next_term += terms[i - j] terms.append(next_term) i+=1 return (next_term == x)

Write a function to calculate distance between two points using latitude and longitude.

from math import radians, sin, cos, acos def distance_lat_long(slat,slon,elat,elon): dist = 6371.01 * acos(sin(slat)*sin(elat) + cos(slat)*cos(elat)*cos(slon - elon)) return dist

Write a function to find the longest common prefix in the given set of strings.

def common_prefix_util(str1, str2): result = ""; n1 = len(str1) n2 = len(str2) i = 0 j = 0 while i <= n1 - 1 and j <= n2 - 1: if (str1[i] != str2[j]): break result += str1[i] i += 1 j += 1 return (result) def common_prefix (arr, n): prefix = arr[0] for i in range (1, n): prefix = common_prefix_util(prefix, arr[i]) return (prefix)

Write a function to find uppercase, lowercase, special character and numeric values using regex.

import re def find_character(string): uppercase_characters = re.findall(r"[A-Z]", string) lowercase_characters = re.findall(r"[a-z]", string) numerical_characters = re.findall(r"[0-9]", string) special_characters = re.findall(r"[, .!?]", string) return uppercase_characters, lowercase_characters, numerical_characters, special_characters

Write a function to count all the distinct pairs having a difference of k in any array.

def count_pairs(arr, n, k): count=0; for i in range(0,n): for j in range(i+1, n): if arr[i] - arr[j] == k or arr[j] - arr[i] == k: count += 1 return count

Write a function to find all the values in a list that are greater than a specified number.

def greater_specificnum(list,num): greater_specificnum=all(x >= num for x in list) return greater_specificnum

Write a function to find the focus of a parabola.

def parabola_focus(a, b, c): focus= (((-b / (2 * a)),(((4 * a * c) - (b * b) + 1) / (4 * a)))) return focus

Write a function to search some literals strings in a string by using regex.

import re def check_literals(text, patterns): for pattern in patterns: if re.search(pattern, text): return ('Matched!') else: return ('Not Matched!')

Write a function to find the longest common subsequence for the given two sequences.

def longest_common_subsequence(X, Y, m, n): if m == 0 or n == 0: return 0 elif X[m-1] == Y[n-1]: return 1 + longest_common_subsequence(X, Y, m-1, n-1) else: return max(longest_common_subsequence(X, Y, m, n-1), longest_common_subsequence(X, Y, m-1, n))

Write a python function to check whether the given number can be represented by product of two squares or not.

def prod_Square(n): for i in range(2,(n) + 1): if (i*i < (n+1)): for j in range(2,n + 1): if ((i*i*j*j) == n): return True; return False;

Write a python function to find the first missing positive number.

def first_Missing_Positive(arr,n): ptr = 0 for i in range(n): if arr[i] == 1: ptr = 1 break if ptr == 0: return(1) for i in range(n): if arr[i] <= 0 or arr[i] > n: arr[i] = 1 for i in range(n): arr[(arr[i] - 1) % n] += n for i in range(n): if arr[i] <= n: return(i + 1) return(n + 1)

Write a python function to count the number of integral co-ordinates that lie inside a square.

def count_Intgral_Points(x1,y1,x2,y2): return ((y2 - y1 - 1) * (x2 - x1 - 1))

Write a function to check whether the given month name contains 30 days or not.

def check_monthnumber(monthname3): if monthname3 =="April" or monthname3== "June" or monthname3== "September" or monthname3== "November": return True else: return False

Write a python function to check whether a string has atleast one letter and one number.

def check_String(str): flag_l = False flag_n = False for i in str: if i.isalpha(): flag_l = True if i.isdigit(): flag_n = True return flag_l and flag_n

Write a function to remove the duplicates from the given tuple.

def remove_tuple(test_tup): res = tuple(set(test_tup)) return (res)

Write a python function to convert octal number to decimal number.

def octal_To_Decimal(n): num = n; dec_value = 0; base = 1; temp = num; while (temp): last_digit = temp % 10; temp = int(temp / 10); dec_value += last_digit*base; base = base * 8; return dec_value;

Write a python function to find the first position of an element in a sorted array.

def first(arr,x,n): low = 0 high = n - 1 res = -1 while (low <= high): mid = (low + high) // 2 if arr[mid] > x: high = mid - 1 elif arr[mid] < x: low = mid + 1 else: res = mid high = mid - 1 return res

Write a function to remove all the tuples with length k.

def remove_tuples(test_list, K): res = [ele for ele in test_list if len(ele) != K] return (res)

Write a function to perform the exponentiation of the given two tuples.

def find_exponentio(test_tup1, test_tup2): res = tuple(ele1 ** ele2 for ele1, ele2 in zip(test_tup1, test_tup2)) return (res)

Write a function to find the largest triangle that can be inscribed in an ellipse.

import math def largest_triangle(a,b): if (a < 0 or b < 0): return -1 area = (3 * math.sqrt(3) * pow(a, 2)) / (4 * b); return area

Write a python function to find highest power of 2 less than or equal to given number.

def highest_Power_of_2(n): res = 0; for i in range(n, 0, -1): if ((i & (i - 1)) == 0): res = i; break; return res;

Write a function to find all index positions of the maximum values in a given list.

def position_max(list1): max_val = max(list1) max_result = [i for i, j in enumerate(list1) if j == max_val] return max_result