Ana Sayfa / Python

# Python

## Python Variable Scope and Binding

Nonlocal Variables Python 3.x Version ≥ 3.0Python 3 added a new keyword called nonlocal. The nonlocal keyword adds a scope override to the inner scope. You can read all about …

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## Python Operator Precedence

Python operators have a set order of precedence, which determines what operators are evaluated first in apotentially ambiguous expression. For instance, in the expression 3 * 2 + 7, first …

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## Python Boolean Operators

‘and’ and ‘or’ are not guaranteed to return a boolean When you use or, it will either return the first value in the expression if it’s true, else it will …

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## Python Bitwise Operators

Bitwise operations alter binary strings at the bit level. These operations are incredibly basic and are directly supported by the processor. These few operations are necessary in working with device …

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## Python Simple Mathematical Operators

Python does common mathematical operators on its own, including integer and ﬂoat division, multiplication, exponentiation, addition, and subtraction. The math module (included in all standard Python versions) oﬀers expanded functionality …

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## Python Set

Operations on sets with other sets # Intersection {1, 2, 3, 4, 5}.intersection({3, 4, 5, 6}) # {3, 4, 5} {1, 2, 3, 4, 5} & {3, 4, 5, 6} …

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## Python Enum

Creating an enum (Python 2.4 through 3.3) Enums have been backported from Python 3.4 to Python 2.4 through Python 3.3. You can get this the enum34 backport from PyPI. pip …

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## Python Date Formatting

Time between two date-times from datetime import datetime a = datetime(2016,10,06,0,0,0) b = datetime(2016,10,01,23,59,59) a-b # datetime.timedelta(4, 1) (a-b).days # 4 (a-b).total_seconds() # 518399.0 Outputting datetime object to string Uses …

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## Date and Time

Parsing a string into a timezone aware datetime object Python 3.2+ has support for %z format when parsing a string into a datetime object. UTC oﬀset in the form +HHMM or -HHMM …

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## Python Indentation

Simple example For Python, Guido van Rossum based the grouping of statements on indentation. The reasons for this are explained in the first section of the “Design and History Python …

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