. (, , , , , ). : if, , == true, , == false.
, , .
a = b + c
      
      
        
        
        
      
    
        
        
        
      
      
        
        
        
      
    
    
b c, a. a = b + c - . , , - . - , - “+”.
Python
. Python Matlab Octave. int, float, complex.
, . . , , - .
.
additional. subtraction. multiplication. exponenta. division.
modulus (%) . a = 10, b = 20, b%a == 0. , . 9/2 == 4.5, 9//2 , 4. floor division (//) .
, . .
Python . . c = a+bj, - ,
c.real()
      
      
        
        
        
      
    
        
        
        
      
      
        
        
        
      
    
    
b - .
c.imag()
      
      
        
        
        
      
    
        
        
        
      
      
        
        
        
      
    
    
c , . complex numbers . a X Y x + yi. , X , Y - .
Python . , , , .
a x b, x - .
“=” , . “==”, “=” . != . “<>”, , , .
Python .
. , .
:
:
a x b, x - , a = a x b. , a += b , a b, a. . , a **= b a = a ** b, a b, a.
Python.
:
- if - ;
 - elif - ( if else elseif);
 - else - .
 
a = int(input())
if X:
    A = Y
else:
    A = Z
      
      
        
        
        
      
    
        
        
        
      
      
        
        
        
      
    
    
.
A = Y if X else Z
      
      
        
        
        
      
    
        
        
        
      
      
        
        
        
      
    
    
else elseif , :
if 1:
print("hello 1")
      
      
        
        
        
      
    
        
        
        
      
      
        
        
        
      
    
    
break continue. Break . Continue , .
Python .
, 32- .
a = 0
a = 1
a = 2
a = 3
a = 255
      
      
        
        
        
      
    
        
        
        
      
      
        
        
        
      
    
    
1.
314
-314
      
      
        
        
        
      
    
        
        
        
      
      
        
        
        
      
    
    
&  | 1, a = b  | 
|  | 1, a = 1 b = 1, a = b  | 
^  | 1, a = 1 b = 1, 0, a = 1 b = 1  | 
~a  |  | 
a << b  | a b  | 
a >> b  | a b  | 
a >>> b  | a b  | 
a >> b a >>> b , .
9
9 >> 2
-9
-9 >> 2
      
      
        
        
        
      
    
        
        
        
      
      
        
        
        
      
    
    
a >>> b .
-9
-9 >>> 2
      
      
        
        
        
      
    
        
        
        
      
      
        
        
        
      
    
    
.
:
- and - true, a == b == x;
 - or - true a == x b == x;
 - not - false, a == b == x.
 
, .
- a in b true, a b;
 - a not in b true, b.
 
- a is b true, ;
 - a is not b true, .
 
, .
Python :
- .
 - Python.
 - .
 - .
 - .
 - , , .
 - .
 - .
 - .
 - .
 - .
 - , .
 - .
 - .
 - , , , .
 
- -. Lambda expression . ,
def <lambda>(arguments):
    return expression
      
      
        
        
        
      
    
        
        
        
      
      
        
        
        
      
    
    
- , Python.
. :
a[i]
      
      
        
        
        
      
    
        
        
        
      
      
        
        
        
      
    
    
- , i - .
. [x:y:z]. x , y - , z - . X , y - , z . z , .