Ass1.py

'''q3'''

string="I am a computer science student"
print(string[0:1])
print(string[1:6])
print(string[2:])

print("\n")

'''q5'''

L1=[1,2,3]
L2=[4,5,6]

L1.extend(L2)

for i in L1:
    print(i, end="")

print("\n")

for j in L1:
    if(j%2==0):
        print(j,end="")
print("\n")

'''q6'''

tup1=(1,2,"hello","world",8.9)
for i in tup1:
    print(i)

print("\n")

tup2=("programming",)
tup3=tup2*3
print(tup3)
print("\n")

tup4=("hello","world","hi")

tupResult=tup4+tup3
for i in tupResult:
    print(i)
print("\n")

'''q7'''

person={"first_name":"John","last_name":"Doe","age":25,"favourite_colors":["blue","green"],"active":True}

for key in person:
    print(key,":",person[key])

print(person.keys())
print("\n")
print(person.values())
print("\n")
print(person["last_name"])
print("\n")

'''q8'''

n=int(input("Enter a number"))
if n%2==0:
    print("even")
else:
    print("odd")
print("\n")

'''q10'''

n=int(input("Enter the length"))
L=[]
for i in range(0,n):
    num=int(input("Enter a number"))
    L.append(num)

Frq={}
Lfinal=[]

for item in L:
    if item in Frq:
        Frq[item] += 1
    else:
        Frq[item] = 1

for i in Frq:
    if Frq[i]==1:
        Lfinal.append(i)

for i in Lfinal:
    print(i)

print("\n")

'''q12'''

inventory={"Item1":2,"Item2":3,"Item3":4,"Item4":5,"Item5":0}
inventory["Item6"]=0

for key in inventory:
    print(key,":",inventory[key])
    if inventory[key]==0:
        print("Out of stock")
    else:
        print("In stock")

'''q13'''

def calculate_rectangle_area(length=1,width=1):
    return length*width


length=4
width=5

print("Area of rectangle is:",calculate_rectangle_area(length,width))
print("\n")
print("Area of rectangle is:",calculate_rectangle_area(6,7))
print("\n")
print("Area of rectangle is:",calculate_rectangle_area(4))
print("\n")

'''q14'''

def Global_Local():
    global Value
    Value=100
    print("Inside function: ",Value)

Value=50
print("Before function: ",Value)
Global_Local()
print("Outside function: ",Value)
print("\n")

'''q15'''

def process_student_data(L):
    newDict={}

    for student in L:
        avgscore=0
        for i in student["grades"]:
            avgscore+=i
        newDict[student["id"]]=avgscore/len(student["grades"])

    return newDict

students=[
    {"id":1,"grades":[90,85,95],"name":"Stude1"},
    {"id":2,"grades":[80,90,75],"name":"Stude2"},
    {"id":3,"grades":[95,85,90],"name":"Stude3"},
    {"id":4,"grades":[90,85,76],"name":"Stude4"}
]

students[3]["grades"]=[98,76,90]
newDict=process_student_data(students)
print(process_student_data(students))
print("\n")

for student_id, avg_grade in newDict.items():
    if avg_grade >= 90:
        print(student_id, ":", avg_grade)



'''q1'''
a=5
print(a,type(a))
print("\n")
b=6
print(a+b,b-a,a*b,a/b)
print("\n")
s1="hi"
print(len(s1))
print("\n")
# num=int(s1)
# print(num)
# print("\n")

'''q2'''

a=6
b=9

print("Temp Var")
temp=a
a=b
b=temp
print("a:",a,"b:",b)

print("Without")
b=b-a
a=a+b
b=a-b

print("a:",a,"b:",b)

'''q4'''


my_list = [10, 20, 30, 50, 60, 70]
print("Initial List:", my_list)

print("Elements from the third position to the end:", my_list[2:])

middle_index = len(my_list) // 2
my_list.insert(middle_index, 40)  # Insert 40 into the middle
my_list.append(100)              # Append 100 to the end
print("List after inserting 40 in the middle and appending 100 at the end:", my_list)

print("Third, fourth, and fifth elements of the list:", my_list[2:5])