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130 lines
4.4 KiB
Python
130 lines
4.4 KiB
Python
# Arithmetic Operations in Python
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# Integers
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print('Addition: ', 1 + 2)
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print('Subtraction: ', 2 - 1)
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print('Multiplication: ', 2 * 3)
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# Division in python gives floating number
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print('Division: ', 4 / 2)
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print('Division: ', 6 / 2)
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print('Division: ', 7 / 2)
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# gives without the floating number or without the remaining
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print('Division without the remainder: ', 7 // 2)
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print('Modulus: ', 3 % 2) # Gives the remainder
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print('Division without the remainder: ', 7 // 3)
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print('Exponential: ', 3 ** 2) # it means 3 * 3
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# Floating numbers
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print('Floating Number,PI', 3.14)
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print('Floating Number, gravity', 9.81)
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# Complex numbers
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print('Complex number: ', 1+1j)
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print('Multiplying complex number: ', (1+1j) * (1-1j))
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# Declaring the variable at the top first
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a = 3 # a is a variable name and 3 is an integer data type
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b = 2 # b is a variable name and 3 is an integer data type
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# Arithmetic operations and assigning the result to a variable
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total = a + b
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diff = a - b
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product = a * b
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division = a / b
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remainder = a % b
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floor_division = a // b
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exponential = a ** b
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# I should have used sum instead of total but sum is a built-in function try to avoid overriding builtin functions
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print(total) # if you don't label your print with some string, you never know from where is the result is coming
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print('a + b = ', total)
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print('a - b = ', diff)
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print('a * b = ', product)
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print('a / b = ', division)
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print('a % b = ', remainder)
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print('a // b = ', floor_division)
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print('a ** b = ', exponential)
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# Declaring values and organizing them together
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num_one = 3
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num_two = 4
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# Arithmetic operations
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total = num_one + num_two
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diff = num_two - num_one
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product = num_one * num_two
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div = num_two / num_two
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remainder = num_two % num_one
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# Printing values with label
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print('total: ', total)
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print('difference: ', diff)
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print('product: ', product)
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print('division: ', div)
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print('remainder: ', remainder)
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# Calculating area of a circle
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radius = 10 # radius of a circle
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# two * sign means exponent or power
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area_of_circle = 3.14 * radius ** 2
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print('Area of a circle:', area_of_circle)
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# Calculating area of a rectangle
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length = 10
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width = 20
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area_of_rectangle = length * width
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print('Area of rectangle:', area_of_rectangle)
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# Calculating a weight of an object
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mass = 75
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gravity = 9.81
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weight = mass * gravity
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print(weight, 'N')
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print(3 > 2) # True, because 3 is greater than 2
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print(3 >= 2) # True, because 3 is greater than 2
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print(3 < 2) # False, because 3 is greater than 2
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print(2 < 3) # True, because 2 is less than 3
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print(2 <= 3) # True, because 2 is less than 3
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print(3 == 2) # False, because 3 is not equal to 2
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print(3 != 2) # True, because 3 is not equal to 2
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print(len('mango') == len('avocado')) # False
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print(len('mango') != len('avocado')) # True
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print(len('mango') < len('avocado')) # True
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print(len('milk') != len('meat')) # False
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print(len('milk') == len('meat')) # True
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print(len('tomato') == len('potato')) # True
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print(len('python') > len('dragon')) # False
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# Boolean comparison
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print('True == True: ', True == True)
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print('True == False: ', True == False)
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print('False == False:', False == False)
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print('True and True: ', True and True)
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print('True or False:', True or False)
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# Another way comparison
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# True - because the data values are the same
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print('1 is 1', 1 is 1)
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print('1 is not 2', 1 is not 2) # True - because 1 is not 2
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print('A in Asabeneh', 'A' in 'Asabeneh') # True - A found in the string
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print('B in Asabeneh', 'B' in 'Asabeneh') # False -there is no uppercase B
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# True - because coding for all has the word coding
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print('coding' in 'coding for all')
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print('a in an:', 'a' in 'an') # True
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print('4 is 2 ** 2:', 4 is 2 ** 2) # True
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print(3 > 2 and 4 > 3) # True - because both statements are true
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print(3 > 2 and 4 < 3) # False - because the second statement is false
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print(3 < 2 and 4 < 3) # False - because both statements are false
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print(3 > 2 or 4 > 3) # True - because both statements are true
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print(3 > 2 or 4 < 3) # True - because one of the statement is true
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print(3 < 2 or 4 < 3) # False - because both statements are false
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print(not 3 > 2) # False - because 3 > 2 is true, then not True gives False
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print(not True) # False - Negation, the not operator turns true to false
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print(not False) # True
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print(not not True) # True
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print(not not False) # False
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