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Adding documentation to builtins.py (Comments)

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Anindhiths 2025-03-17 18:54:00 +05:30 committed by GitHub
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commit f4f1e72902
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1 changed files with 18 additions and 1 deletions
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17
python/builtins.py
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@ -1,21 +1,25 @@
# Function to check if all elements in an iterable are True
def all(iterable):
for i in iterable:
if not i:
return False
return True
# Function to check if any element in an iterable is True
def any(iterable):
for i in iterable:
if i:
return True
return False
# Function to yield pairs of index and element from an iterable, starting from a given index
def enumerate(iterable, start=0):
n = start
for elem in iterable:
yield n, elem
n += 1
# Helper function to reduce a list of arguments to a single value based on a comparison operation
def __minmax_reduce(op, args):
if len(args) == 2: # min(1, 2)
return args[0] if op(args[0], args[1]) else args[1]
@ -37,29 +41,35 @@ def __minmax_reduce(op, args):
res = i
return res
# Function to find the minimum value in a list of arguments, optionally using a key function
def min(*args, key=None):
key = key or (lambda x: x)
return __minmax_reduce(lambda x,y: key(x)<key(y), args)
# Function to find the maximum value in a list of arguments, optionally using a key function
def max(*args, key=None):
key = key or (lambda x: x)
return __minmax_reduce(lambda x,y: key(x)>key(y), args)
# Function to sum all elements in an iterable
def sum(iterable):
res = 0
for i in iterable:
res += i
return res
# Function to apply a function to each element of an iterable and yield the results
def map(f, iterable):
for i in iterable:
yield f(i)
# Function to filter elements of an iterable based on a predicate function
def filter(f, iterable):
for i in iterable:
if f(i):
yield i
# Function to yield pairs of elements from two iterables
def zip(a, b):
a = iter(a)
b = iter(b)
@ -71,17 +81,20 @@ def zip(a, b):
break
yield ai, bi
# Function to return a reversed version of an iterable
def reversed(iterable):
a = list(iterable)
a.reverse()
return a
# Function to return a sorted version of an iterable, optionally using a key function and reverse flag
def sorted(iterable, key=None, reverse=False):
a = list(iterable)
a.sort(key=key, reverse=reverse)
return a
##### str #####
# Function to format a string with given arguments and keyword arguments
def __format_string(self: str, *args, **kwargs) -> str:
def tokenizeString(s: str):
tokens = []
@ -195,6 +208,7 @@ str.format = __format_string
del __format_string
# Function to print the documentation of an object
def help(obj):
if hasattr(obj, '__func__'):
obj = obj.__func__
@ -202,10 +216,12 @@ def help(obj):
if obj.__doc__:
print(obj.__doc__)
# Function to create a complex number
def complex(real, imag=0):
import cmath
return cmath.complex(real, imag) # type: ignore
# Function to return a list of attributes of an object
def dir(obj) -> list[str]:
tp_module = type(__import__('math'))
if isinstance(obj, tp_module):
@ -223,6 +239,7 @@ def dir(obj) -> list[str]:
cls = cls.__base__
return sorted(list(names))
# Class to represent a set
class set:
def __init__(self, iterable=None):
iterable = iterable or []