Python string | numbers

Michael Zippo 18.07.2021

In Python3 string.digits — it is a pre-initialized string used as a string constant. In Python, string.digits will produce lowercase letters "0123456789".

Syntax: string.digits

Parameters: Doesn’t take any parameter, since it’s not a function.

Returns: Return all digit letters.

Note. Make sure to import the string library function to use string.digits

Code # 1:

# import string library function

import string

# Store the value as a result of a variable

result = string.digits

# Print value

print (result)

Output:

0123456789

Code # 2: this code checks if there are only numbers in the input line

# import string library function

import string

# The function checks if the input line is valid
# har only numbers or not

def check (value):

for letter in value:

# If something other than a number

# email is present, then return

# False, otherwise return True

if letter not in string.digits:

return False

return True

Driver code

input1 = "0123 456 789"

print (input1, "-" " , check (input1))

input2 = "12.0124"

print (input2, "-"" , check (input2))

input3 = "12345"

print (input3, "-"" , check (input3))

Exit:

 0123 456 789 -" False 12.0124 -" False 12345 -" True

Applications:
Digits string constants can be used in many practical applications.Let’s see the code, explain See how to use numbers to generate strong random passwords of a given size.

# Import random to generate
# random sequence of lines

import random

# Import the string library function

import string

def rand_pass (size):

# Takes a random selection from

# ascii_letters and digits

< p> generate_pass = ’ ’.join ([random.choice (string.ascii_uppercase +

string.ascii_lowercase +

string.digits)

for n in range (size)])

return generate_pass

Driver code

password = rand_pass ( 10 )

print (password)

Exit :

 2R8gaoDKqn

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Python string | numbers

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