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# Exercise 1 Solution

class Square:
    square_list = []

    def __init__(self):
        self.square_list.append(self)
        
# Exercise 2 Solution

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print("Hello, World!")

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print(8 * 9)

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#exercise 1
print("It was a bright cold day in April, and the clocks were striking thirteen."[:33])

#exercise 2
print("""  "Hi"  """)

#exercise 3
print('A screaming comes across the sky.'.replace('s', '$'))

#exercise 4

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# exercise 1
for c in "Camus":
    print(c)
    
# exercise 2
print("aldous was born in 1894.".capitalize())


# exercise 3
print("Where now? Who now? When now?".split('?'))

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def convert(a_string):
    return float(a_string)

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# Functions Exercise 1
def square(n):
    return n ** 2
  
# Functions Exercise 2
def print_string(a_string):
    print(a_string)
    
# Functions Exercise 3
def opt(a, b, c, d=1, f=2):

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#Exercise Solution 1

class Stack:
    def __init__(self):
        self.items = []

    def is_empty(self):
        return self.items == []

    def push(self, item):

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# Arithmetic Operators Exercise 1
x = 15
y = 4
print(x % y)

# Arithmetic Operators Exercise 2
print(30//4)


# Arithmetic Operators Exercise 3

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Video Notes

It is important to remember that there are two ways to enter your code into Python: the shell and the text editor. Make sure to play around and start getting comfortable with them both.