Write a python program to search a key in the text file
fname = 'sample.txt'
l='keyword' # Enter letter to be searched
k = 0
with open(fname, 'r') as f:
for line in f:
words = line.split()
for i in words:
if(i==l):
k=k+1
print("Occurrences of the letter:",k)
Write a python program to expalin list comprehension and print alternative values
t = (1, 2, 4, 3, 8, 9)
print([t[i] for i in range(0, len(t), 2)])
Write a python program to sort tuple values
a=(2,3,1,5)
tuple_sorted = sorted(a)
print(tuple(tuple_sorted))
Write a python program to multiple two list values
l1=[1,2,3]
l2=[4,5,6]
print('multiply two list values:',[x*y for x in l1 for y in l2])
Write the list comprehension to pick out only negative integers from a given list ‘l’.
l1=[1,2,3,-4,-8]
print('negative integers:', [x for x in l1 if x<0])
Write a python program to convert all list elements to upper case
s=["pune", "mumbai", "delhi"]
print([(w.upper(), len(w)) for w in s])
Write a python program to expalin python zip method
l1=[2,4,6]
l2=[-2,-4,-6]
for i in zip(l1, l2):
print(i)
Write a python program to add two list using python zip method
l1=[10, 20, 30]
l2=[-10, -20, -30]
l3=[x+y for x, y in zip(l1, l2)]
print('added two list:',l3)
Write a list comprehension for number and its cube
l=[1, 2, 3, 4, 5, 6, 7, 8, 9]
print([x**3 for x in l])
Write a list comprehension for printing rows into columns and vv
l=[[1 ,2, 3], [4, 5, 6], [7, 8, 9]]
print([[row[i] for row in l] for i in range(3)])
Write a list comprehension for printing rows into columns and vv
def unpack(a,b,c,d):
print(a+d)
x = [1,2,3,4]
unpack(*x)
Write a python program to use python lambda function
lamb = lambda x: x ** 3
print(lamb(5))
Write a python program to multiply a string n times
a = 'python'
print(a*5)
