зад.1


number = int(input())

if number == 1:
    print("Monday")
elif number==2:
    print("Tuesday")
elif number==3:
    print("Wednesday")
elif number==4:
    print("Thursday")
elif number==5:
    print("Friday")
elif number==6:
    print("Saturday")
elif number==7:
    print("Sunday")
else:
    print("Wrong number!")

зад.2

day=input("Въведете ден:")

if day == "Monday":
 print("Study day")
elif day == "Tuesday":
 print("Study day")
elif day == "Wednesday":
 print("Study day")
elif day == "Thursday":
 print("Study day")
elif day == "Friday":
 print("Study day")
elif day == "Saturday":
 print("Weekend")
elif day == "Sunday":
 print("Weekend")
else:
    print("Wrong day")

зад.3


student_number = input("Enter a student number: ")

if student.startswith("23"):
    print("I-ви курс")
elif student.startswith("22"):
    print("II-ри курс")
elif student.startswith("21"):
    print("III-ти курс")
elif student.startswith("20"):
    print("IV-ти курс")
elif student.startswith("19"):
    print("V-ти курс")
else:
    print("There is no such student number!")


зад.4


age=float(input("въведете възраст "))
gender=input("Моля въведете пол m или f: ")

if gender=="m":
    if age>=16:
        print("Mr.")
    else:
        print("Master")
elif gender=="f":
    if age>=16:
        print("Ms.")
    else:
        print("Miss")
else:
    print("Невалиден вход!")


зад.5

place=input(("input place"))
product=input(("Input product"))
quantity=float(input("enter quantity "))


if place=="School":
    if product.lower()=="coffee":
        print(quantity * 0.50)
    elif product.lower()=="water":
        print(quantity * 0.80)
    elif product.lower()=="beer":
        print(f"{(quantity * 1.20):.1f}")
    elif product.lower()=="sweets":
        print(f"{(quantity * 1.45):.1f}")
    elif product.lower()=="peanuts":
        print(quantity * 1.60)
    else:
        print("There is no such product!")
elif place=="Dormitory":
    if product.lower()=="coffee":
        print(quantity * 0.40)
    elif product.lower()=="water":
        print(quantity * 0.70)
    elif product.lower()=="beer":
        print(quantity * 1.15)
    elif product.lower()=="sweets":
        print(quantity * 1.30)
    elif product.lower()=="peanuts":
        print(quantity * 1.50)
    else:
        print("There is no such product!")
elif place=="Bus-station":
    if product.lower()=="coffee":
        print(quantity * 0.45)
    elif product.lower()=="water":
        print(quantity * 0.70)
    elif product.lower()=="beer":
        print(quantity * 1.10)
    elif product.lower()=="sweets":
        print(quantity * 1.35)
    elif product.lower()=="peanuts":
        print(quantity * 1.55)
    else:
        print("There is no such product!")
else:
    print("Wrong")


зад.6

number=int(input("въведете число: "))


if -100<=number<=100:
    if number== -1 or number==0 or number==1:
        print("No")
    else:
        print("Yes")
else:
    print("No")


зад.7

hour=int(input("Въведи час "))
day=input("Въведи ден ")

if day.lower() == "Неделя":
    print("Затворено")
elif hour>=13 and hour<15:
    print("Затворено")
elif hour>=7 and hour<17:
    print("Отворено")
else:
    print("Затворено")

зад.8


day = input("Въведете ден от седмицата: ")

if day=="Monday" or day=="Tuesday" or day=="Friday":
    print("12leva")
elif day=="Wednesday" or day=="Thursday":
    print("14leva")
elif day=="Saturday" or day == "Sunday":
    print("16leva")
else:
    print("Невалиден ден")




зад. 9

product=input("Въведете продукт: ")

if product=="banana" or product=="apple" or product=="kiwi" or product=="cherry" or product=="lemon" or product=="grapes":
    print("fruit")
elif product=="tomato" or product=="cucumber" or product=="pepper" or product=="carrot":
    print("vegetable")
else:
    print("unknown")


зад.10

number=int(input("Въведете число: "))

if 100>number or number>200 or number%2==0:
    print("Invalid number")
else:
    print("Valid number")

зад.11


fruit=input("Въведете плод: ")
day=input("ден от седмицата: ")
quantity=float(input("Въведете количество: "))

price=0

if day=='Monday' or day=='Tuesday' or day == 'Wednesday' or day=='Thursday' or day== 'Friday':
    if fruit=='banana':
        price=2.50
    elif fruit=='apple':
        price=1.20
    elif fruit=='orange':
        price=0.85
    elif fruit=='grapefruit':
        price=1.45
    elif fruit=='kiwi':
        price=2.70
    elif fruit=='pineapple':
        price=5.50
    elif fruit=='grapes':
        price=3.85
elif day=='Saturday' or day=='Sunday':
    if fruit=='banana':
        price=2.70
    elif fruit=='apple':
        price=1.25
    elif fruit=='orange':
        price=0.90
    elif fruit=='grapefruit':
        price=1.60
    elif fruit=='kiwi':
        price=3.00
    elif fruit=='pineapple':
        price=5.60
    elif fruit=='grapes':
        price=4.20

if price == 0:
    print('error')
else:
    total = price * quantity
    print(f"{total:.2f}")



зад. 12 господине не можах да я направя, ако я разбера ще ви я пратя. Данните от таблицата не ги разбирам.