# Write a python program to add two list of same length - Python

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### Write a python program to add two list of same length.

``````def add_two_list_items():
num1 = [1,2,3]
num2 = [4,5,6]
sum = num1 + num2
print(f'Sum: {sum}')
``````

### Write a python program to add numbers from two list if first list item is even and second list item is odd.

``````def add_two_lists_even_odd(l1, l2):
new = []
for x, y in zip(l1, l2):
if l1%2 == 0 and l2%2 != 0:
new.append(x+y)
return new
``````

### Write a python program Convert KM/H to MPH

``````kmh = 50
mph =  0.6214 * kmh
print("Speed:", kmh, "KM/H = ", mph, "MPH")
``````

### Write a program to find and print the smallest among three numbers

``````num1 = 100
num2 = 200
num3 = 300
if (num1 <= num2) and (num1 <= num3):
smallest = num1
elif (num2 <= num1) and (num2 <= num3):
smallest = num2
else:
smallest = num3
print(f'smallest:{smallest}')
``````

### Write a function to sort a list

``````raw_list = [-5, -23, 5, 0, 23, -6, 23, 67]
sorted_list = []
while raw_list:
minimum = raw_list
for x in raw_list:
if x < minimum:
minimum = x
sorted_list.append(minimum)
raw_list.remove(minimum)

print(soreted_list)
``````

### Write a function to print the time it takes to run a function

``````import time
def time_it(fn, *args, repetitons= 1, **kwargs):
start = time.perf_counter()
if (repetitons <= 0):
raise ValueError("repetitions should be greater that 0")
if (not(isinstance(repetitons,int))):
raise ValueError("Repetions must be of type Integer")
for _ in range(repetitons):
fn(*args, **kwargs)
stop = time.perf_counter()
return ((stop - start)/repetitons)
``````

### Write a python function to calculate simple Interest

``````def simple_interest(p,t,r):

si = (p * t * r)/100
return si
``````

### Write a python program to print all Prime numbers in an Interval

``````start = 11
end = 25

for i in range(start,end):
if i>1:
for j in range(2,i):
if(i % j==0):
break
else:
print(i)
``````

### Write a python funtion to implement a counter to record how many time the word has been repeated using closure concept

``````def word_counter():
counter = {}
def count(word):
counter[word] = counter.get(word, 0) + 1
return counter[word]
return count
``````

### Write a python program to check and print if a string is palindrome or not

``````st = 'malayalam'
j = -1
flag = 0
for i in st:
if i != st[j]:
j = j - 1
flag = 1
break
j = j - 1
if flag == 1:
print("Not a palindrome")
else:
print("It is a palindrome")
``````

### Write a python function to find the URL from an input string using the regular expression

``````import re
def Find(string):
regex = r"(?i)\b((?:https?://|www\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,4}/)(?:[^\s()<>]+|\(([^\s()<>]+|(\([^\s()<>]+\)))*\))+(?:\(([^\s()<>]+|(\([^\s()<>]+\)))*\)|[^\s`!()\[\]{};:'\".,<>?«»“”‘’]))"
url = re.findall(regex,string)
return [x for x in url]
``````

### Write a python program to find N largest elements from a list

``````l = [1000,298,3579,100,200,-45,900]
n = 4
l.sort()
print(l[-n:])
``````

### Write a python program to add two lists using map and lambda

``````nums1 = [1, 2, 3]
nums2 = [4, 5, 6]
result = map(lambda x, y: x + y, nums1, nums2)
print(list(result))
``````

### Write a python functionto test the equality of the float numbers

``````def float_equality_testing(a, b):

rel_tol = 1e-12
abs_tol = 1e-05
return abs(a-b) <= max(rel_tol * max(abs(a), abs(b)), abs_tol)
``````

### Write a python function to caclucate the polygon_area

``````def polygon_area( side_length, sides = 3):
if(sides < 3 or sides > 6 ):
raise ValueError("number of sides must be greater than 2 and less than 7")
if(side_length < 0 ):
raise ValueError("side length must be positive")

return sides * (side_length ** 2) / (4 * tan(pi / sides))
``````

### Write a python program to get positive elements from given list of lists

``````Input = [[10, -11, 222], [42, -222, -412, 99, -87]]
temp = map(lambda elem: filter(lambda a: a>0, elem), Input)
Output = [[a for a in elem if a>0] for elem in temp]
``````