print('Hello World')
a = 1
b = 2
print(a+b)
#comments
"""last for
many lines 
"""
age = 50
if age >40:
    print('You are so old')
else:
    print('kid')

age = 30
if age >40:
    print('You are old')
else:
    print('kid')
print('This will be printed anyway')

contributions = [1, 2, 4, 1, 4]
print(sum(contributions))
for i in contributions:
    #print(i)
    print(f'Your contribution is: {i}. and payoff is {i*2}')

    #refer to a specific element
    print(contributions[0:3])
#the next lines are not included in the loop
print(contributions[0])
print(contributions[0:2])  #gives me the first 2 elements
print(contributions[-1])  #for the last element

#create a list with only even numbers
contri = [1, 3, 5, 33, 44, 6, 77, 89]
new_list = []
for i in contri:
    if i % 2 == 0:
        #new_list.append(i)
        pass
    else:
        new_list.append(i)

print(new_list)

##this is a better way to do the above
new_list = [i for i in contri if i % 2 == 0]
print(new_list)

##Power

i=2
print(i**2)

new_list = [i**2 for i in contri if i % 2 == 0]
print(new_list)
print(sum(new_list))

#Dictions
##left is the key and right is the value
myinfo = {'name': 'Phillip',
          'citizenship': 'Russian',
          'work': 'HSE',
          'list': [1, 2, 3, 3,],
          'wife':{'name':'Anna'},
          'income': 5555}

print(myinfo['name'])
print(myinfo['work'])
print(myinfo.keys())

for k in myinfo.keys():
    print(k)

for k in myinfo.values():
    print(k)

for k, v in myinfo.items():
    print(f'Your {k} is {v}')

##can be used when a value is missing but you want a value instead
print(myinfo.get('income', 999))

incomes = [100, 200, 300, 4099]
def income_after_tax(income):
    tax_rate = 0.2
    return round(income * (1-tax_rate))

for i in incomes:
    print(f'your income after tax is {income_after_tax(i)}')

answer = 'No'
possible_nos = ['Nope', 'No', 'Nehhh', 'Nein', 'Nvet']
if answer in possible_nos:
    print('NOOOOO')
    record = False
else:
    record = True

#different ways to create variable

#mynewvariable = 1
#my_new_variable = 2

#player.payoff = 3

class Person:
    nation = 'Indian'
    name = 'Pooja'
    height = 163
    weight = 60
    def get_bmi(self):
        return round(self.height /100 ) / self.weight ** 2

#print(get_bmi)


ph = Person()
print(ph.nation)
print(ph.get_bmi())