practice.py

#program 1
dict1={'first':'sunday','second':'monday'}
dict2={1:3,2:4}
dict1.update(dict2)
print(dict1)

#program 2
from math import *
a=2.19
b=3.999999
c=-3.30
print(int(a), floor(b), ceil(c), fabs(c))

#program 3
word="I am fine"
n=len(word)
print(n)
word1=word.upper()
word2=word.lower()
converted_word=""
for i in range(n):
    if i%2==0:
        converted_word+=word2[i]
    else:
        converted_word+=word1[i]
print(converted_word)

#program 4
x="Kacha badam"
for i in range(len(x)-1,-1,-1):
    print(i)
    print(x[i])

#program 5
n=5
k=5
for i in range(0,n+1):
    for j in range(k-i,0,-1):
        print(j,end='')
    print()

#program 6
n=int(input("Enter number"))
sum=0
for num in range(1,n+1,1):
    sum=sum+num
print("Sum of first ",n,"numbers is: ",sum)
average=sum/n
print("Average of ",n,"numbers is: ",average)

print(1<<2)
print(1&2)