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[ Write a program to print negative Numbers in given range ]

Write a program to print negative Numbers in given range

start, end = -4, 19
for num in range(start, end + 1): 
    if num < 0: 
        print(num, end = " ") 

Write a program to remove empty List from List using list comprehension

test_list = [5, 6, [], 3, [], [], 9] 
print("The original list is : " + str(test_list)) 
res = [ele for ele in test_list if ele != []] 
print ("List after empty list removal : " + str(res)) 

Write a program to remove empty tuples from a list of tuples

def Remove(tuples): 
    tuples = filter(None, tuples) 
    return tuples 

#Driver Code 

tuples = [(), ('ram','15','8'), (), ('laxman', 'sita'),  
          ('krishna', 'akbar', '45'), ('',''),()] 
print Remove(tuples)

Write a program to break a list into chunks of size N

l = [1, 2, 3, 4, 5, 6, 7, 8, 9]  
n = 4 
x = [l[i:i + n] for i in range(0, len(l), n)]  
print(x)

Write a program to find the frequency of words present in a string

test_str = 'times of india times new india express'
print("The original string is : " + str(test_str)) 

res = {key: test_str.count(key) for key in test_str.split()} 
print("The words frequency : " + str(res))

Write a program to accept a string if it contains all vowels

def check(string): 
  if len(set(string).intersection("AEIOUaeiou"))>=5: 
    return ('accepted') 
  else: 
    return ("not accepted") 

if __name__=="__main__": 
  string="helloworld"
  print(check(string)) 

Write a program to rotate string left and right by d length

def rotate(input,d):  

    Lfirst = input[0 : d]  
    Lsecond = input[d :]  
    Rfirst = input[0 : len(input)-d]  
    Rsecond = input[len(input)-d : ]  

    print ("Left Rotation : ", (Lsecond + Lfirst) ) 
    print ("Right Rotation : ", (Rsecond + Rfirst))  

if __name__ == "__main__":  
    input = 'helloworld'
    d=2
    rotate(input,d)