Hack Bulgaria
github.com/HackBulgaria
person1 = "Ivan"
person2 = "Maria"
person3 = "Ivo"
person4 = "Tony"
books = ["Pro Git", "Code Complete"]
people = ["Maria", "Ivan"]
even_numbers = [2, 6, 10, 28]
>>> []
[]
>>> [1,2,3]
[1, 2, 3]
>>> [True, False]
[True, False]
>>> ["Python", "Django"]
['Python', 'Django']
>>> a = []
>>> a
[]
>>> a + [1]
[1]
>>> a = a + [1]
>>> a
[1]
# Добавяме в началото
# [1, 2, 3]
а = [2, 3]
a = [1] + a
# Добавяме в края
# [2, 3, 1]
b = [2, 3]
b = b + [1]
>>> a = [1,2,3,4]
>>> b = []
>>> len(a)
4
>>> len(b)
0
>>> а = [1,2,3,4]
>>> a[0]
1
>>> a[1]
2
>>> a[2]
3
>>> a[3]
4
>>> а = [1,2,3,4]
>>> a[0] = 10
>>> a
[10, 2, 3, 4]
>>> a[2] = 20
>>> a
[10, 2, 20, 4]
>>> a = [1, 2, 3]
>>> 1 in a
True
>>> 5 in a
False
>>> b = ["Python", "Django"]
>>> "Python" in b
True
>>> "Rails" in b
False
books = ["Pragmatic Thinking and Learning",
"Code Complete"]
for book in books:
print(book)
books = ["Pragmatic Thinking and Learning",
"Code Complete"]
start_index = 0
end_index = len(books)
while start_index < end_index:
book = books[start_index]
print(book)
start_index += 1
# range.py
numbers = range(1, 10)
for number in numbers:
print(number)
# sum_of_n.py
n = input("Enter number: ")
n = int(n)
numbers = range(1, n + 1)
total_sum = 0
for number in numbers:
total_sum += number
print(total_sum)
By Hack Bulgaria