PYTHON

  minte9
REMEMBERS




Operators

p23 Arithmetic operations - exponential ** / Bitwise operator - XOR ^
 
# Exponential
n = 6**2 + 6
print(n)  
    # 42

# Bitwise XOR
n = 6^2
print(n) 
    # 4

# Division
n = 105 / 60
print(n) 
    # 1.74

# Floor Division
n = 105 // 60
print(n) 
    # 1

# Remainder example - with floor division
minutes = 105
hours = minutes // 60
remainder = minutes - hours*60
print(remainder) 
    #45

# Remainder example - with modulo
minutes = 105
remainder = 105 % 60
print(remainder)
    # 45

Time

Convert GMT time since Unix time.
 
# The time module provides a function ...
# that returns the current GMT in “the epoch”
#
# Let's write a function that returns ...
# days, hours, minutes, seconds since Unix birthday 01.01.1970

import time

today = time.time()
print(today)
    # 1636720824.934335

def convert_GMT(t):

    days = int(t) // (3600 * 4)
    remainder = int(t) % (3600 * 4)

    hours = remainder // 3600
    remainder = remainder % 3600

    minutes = remainder // 60
    remainder = remainder % 60

    seconds = remainder

    return (
        str(days) + " days " + \
        str(hours) + " hours " + \
        str(minutes) + " minutes " + \
        str(seconds) + " seconds"
    )

print(convert_GMT(today))
    # 113661 days 0 hours 50 minutes 32 seconds

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