Python 3.4.0 (v3.4.0:04f714765c13, Mar 16 2014, 19:24:06) [MSC v.1600 32 bit (Intel)] on win32
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>>> 3.14+4
7.140000000000001
>>> 3.14+4 == 7.14
False
>>> 3.14+4 - 0.140000000000001
7.0
>>> 3.14+4 - 0.000000000000001
7.14
>>> x = 3.14+4 - 0.000000000000001
>>> x
7.14
>>> if 4>7:
	print("4>7")

	
>>> if 4<7:
	print("4<7")

	
4<7
>>> n = 10**8
>>> ((1+n)/2)*n
5000000050000000.0
>>> for num in range(3,60,10):
	print(num)

	
3
13
23
33
43
53
>>> for num in range(20):
	print(num)

	
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
>>> n
100000000
>>> ((n+1)/2)*n
5000000050000000.0
>>> sum(range(10**8))
4999999950000000
>>> sum(range(10**8+1))
5000000050000000
>>> name = "Amir"
>>> name[0]
'A'
>>> name[1]
'm'
>>> name[4]
Traceback (most recent call last):
  File "<pyshell#25>", line 1, in <module>
    name[4]
IndexError: string index out of range
>>> sum([1,2,3,4])
10
>>> for elem in [1,5,4,"Amir"]:
	print(elem*2)

	
2
10
8
AmirAmir
>>> [n**0.5 for n in range(1,10)]
[1.0, 1.4142135623730951, 1.7320508075688772, 2.0, 2.23606797749979, 2.449489742783178, 2.6457513110645907, 2.8284271247461903, 3.0]
>>> [n**0.5 for n in range(1,10) if n>7]
[2.8284271247461903, 3.0]
>>> [n**0.5 for n in range(1,10) if n%2==0]
[1.4142135623730951, 2.0, 2.449489742783178, 2.8284271247461903]
>>> L = [0,0,0,0]
>>> for i in range(0,3):
	L[i] = i**2

	
>>> L
[0, 1, 4, 0]
>>>