some samples of python-style coding here
#creating list
four_nones = [None] * 4
a = [3, 4, 5]
b = a
# assign the variable "a" to a new list without changing "b"
a = [i + 3 for i in a]
#filtering list
[item for item in list if 1 <= item <= 5]
#another filtering list
filtered_values = [value for value in sequence if value != x]
#get list of squares
squares = [x**2 for x in range(10)]
#create list len of list with all items = max(first,end)
def max_startEnd_list(list):
return [max(list[0], list[-1])] * len(list)
#creating list of four lists
four_lists = [[] for __ in range(4)]
#talking name is here
def halve_evens_only(nums):
return [i/2 for i in nums if not i % 2]
#double every char in string
def double_mult(s):
return ''.join([x*2 for x in s])
#from list of str to string
letters = ['s', 'p', 'a', 'm']
word = ''.join(letters)
#its beautiful
a, b = b, a
# a = 1, rest = [2, 3]
a, *rest = [1, 2, 3]
# a = 1, middle = [2, 3], c = 4
a, *middle, c = [1, 2, 3, 4]
#loking for
s = set(['s', 'p', 'a', 'm'])
l = ['s', 'p', 'a', 'm']
def lookup_set(s):
return 's' in s
def lookup_list(l):
return 's' in l
#working with dictonary
d = {'hello': 'world'}
print d.get('hello', 'default_value') # prints 'world'
print d.get('thingy', 'default_value') # prints 'default_value'
# Or:
if 'hello' in d:
print d['hello']
#print file over line
with open('file.txt') as f:
for line in f:
print lineThanks to all people of world