Question

How to generate random decimal in Python

Answer 1

import random, decimal
 
n = decimal.Decimal(random.randrange(10000)) / 100

print(type(n).__name__)

print(n)
 
 
'''
run:
 
Decimal
38.76
 
'''

 

70+ SQL courses for beginners and professionals

Answer 2

import random, decimal
 
n = decimal.Decimal(str(random.random()))
 
print(type(n).__name__)
 
print(n)
  
  
'''
run:

Decimal
0.37049376380493815
  
'''

 

70+ SQL courses for beginners and professionals

Answer 3

import random, decimal

def generate_random_decimal(digits_before, digits_after):
    return decimal.Decimal('%d.%d' % (random.randint(0, digits_before), random.randint(0, digits_after)))
 
n = generate_random_decimal(9999, 999)
print(type(n).__name__)
print(n)

n = generate_random_decimal(100, 101)
print(type(n).__name__)
print(n)

  
'''
run:

Decimal
7338.64
Decimal
5.40
  
'''

 

70+ SQL courses for beginners and professionals

Answer 4

import random, decimal
  
n = decimal.Decimal(random.randrange(1, 20)) / 1000
 
print(type(n).__name__)
 
print(n)
  
  
'''
run:
  
Decimal
0.018
  
'''

 

70+ SQL courses for beginners and professionals