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Python contains three numerical types :
When you assign a value to a numeric type variable, it is created :
x = 1 # int y = 2.8 # float z = 1j # complex
In Python, use the type() function to determine the type of any object :
x = 1 y = 2.8 z = 1j print(type(x)) print(type(y)) print(type(z))
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An integer or Int is a whole number that can be positive or negative, has no decimals, and can be any length.
x = 1 y = 35656222554887711 z = -3255522 print(type(x)) print(type(y)) print(type(z))
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A float, also known as a "floating point number", is a number that contains one or more decimals and is positive or negative.
Example 1 :-Different types float values :-
x = 1.10 y = 1.0 z = -35.59 print(type(x)) print(type(y)) print(type(z))
Scientific numbers with an "e" for the power of 10 can also be used as floats.
Example 2 :- Float values with scientific numbers
x = 35e3 y = 12E4 z = -87.7e100 print(type(x)) print(type(y)) print(type(z))
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The imaginary part of complex numbers is represented by a "j" :
Example :- Complex floating values
x = 3+5j y = 5j z = -5j print(type(x)) print(type(y)) print(type(z))
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The int(), float(), and complex() functions allow you to convert from one type to another :
Example Convert from one type to another:
#convert from int to float: x = float(1) #convert from float to int: y = int(2.8) #convert from int to complex: z = complex(x) print(x) print(y) print(z) print(type(x)) print(type(y)) print(type(z))
Note : Complex numbers can't be converted into another type.
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The random() function for Python is not provided, but the Python module is built-in and can be used to make random numbers.
Example :- The random module is imported, displaying a random number from 1 to 9 :
import random print(random.randrange(1, 10))
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