learn-python/src/operators/test_assigment.py at master · seehunter/learn-python · GitHub

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"""Assignment operators

@see: https://www.w3schools.com/python/python_operators.asp

Assignment operators are used to assign values to variables

"""

def test_assignment_operator():

"""Assignment operator """

# Assignment: =

number = 5

assert number == 5

# Multiple assignment.

# The variables first_variable and second_variable simultaneously get the new values 0 and 1.

first_variable, second_variable = 0, 1

assert first_variable == 0

assert second_variable == 1

# You may even switch variable values using multiple assignment.

first_variable, second_variable = second_variable, first_variable

assert first_variable == 1

assert second_variable == 0

def test_augmented_assignment_operators():

"""Assignment operator combined with arithmetic and bitwise operators"""

# Assignment: +=

number = 5

number += 3

assert number == 8

# Assignment: -=

number = 5

number -= 3

assert number == 2

# Assignment: *=

number = 5

number *= 3

assert number == 15

# Assignment: /=

number = 8

number /= 4

assert number == 2

# Assignment: %=

number = 8

number %= 3

assert number == 2

# Assignment: %=

number = 5

number %= 3

assert number == 2

# Assignment: //=

number = 5

number //= 3

assert number == 1

# Assignment: **=

number = 5

number **= 3

assert number == 125

# Assignment: &=

number = 5 # 0b0101

number &= 3 # 0b0011

assert number == 1 # 0b0001

# Assignment: |=

number = 5 # 0b0101

number |= 3 # 0b0011

assert number == 7 # 0b0111

# Assignment: ^=

number = 5 # 0b0101

number ^= 3 # 0b0011

assert number == 6 # 0b0110

# Assignment: >>=

number = 5

number >>= 3

assert number == 0 # (((5 // 2) // 2) // 2)

# Assignment: <<=

number = 5

number <<= 3

assert number == 40 # 5 * 2 * 2 * 2

learn-python/src/operators/test_assigment.py at master · seehunter/learn-python · GitHub

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