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What is sympy.primepi() method in Python?

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What is sympy library?

The sympy library is a library used for symbolic mathematics. We can use pip to install sympy, as in the following command:

pip install sympy

The primepi method

The primepi method is used to return the number of prime numbers less than or equal to the given number. The method returns zero if the given number is a negative number.

Syntax

sympy.primepi(n)

Parameters

  • n: Any positive number

Return value

The method returns the number of prime numbers less than or equal to the given number.

Code

import sympy
n = 5
print("The number of prime numbers less or equal to %s is %s" % (n, sympy.primepi(n)))
Using the primepi function

Code explanation

  • Line 1: We import the sympy package.
  • Line 3: We define n.
  • Line 5: We obtain the number of prime numbers less than or equal to n using the sympy.primepi() method.

RELATED TAGS

python
communitycreator
sympy

Grokking Modern System Design Interview for Engineers & Managers

Ace your System Design Interview and take your career to the next level. Learn to handle the design of applications like Netflix, Quora, Facebook, Uber, and many more in a 45-min interview. Learn the RESHADED framework for architecting web-scale applications by determining requirements, constraints, and assumptions before diving into a step-by-step design process.

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