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How to generate a random string in Python

Python is a ​powerful language that allows programmers to perform various tasks using built-in libraries. A random string, for example, can be generated using the built-in libraries. Two libraries are imported for this:

import string
import random

Using this random module, different random strings can be generated.

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random.choice() is used to generate strings in which characters may repeat, while random.sample() is used for non-repeating characters.

Method Description
string.ascii_uppercase Returns a string with uppercase characters
string.ascii_lowercase Returns a string with lowercase characters
string.ascii_letters Returns a string with both lowercase and uppercase characters
string.digits Returns a string with numeric characters
string.punctuation Returns a string with punctuation characters

Code

import random
import string

# printing lowercase
letters = string.ascii_lowercase
print ( ''.join(random.choice(letters) for i in range(10)) )

# printing uppercase
letters = string.ascii_uppercase
print ( ''.join(random.choice(letters) for i in range(10)) )

# printing letters
letters = string.ascii_letters
print ( ''.join(random.choice(letters) for i in range(10)) )

# printing digits
letters = string.digits
print ( ''.join(random.choice(letters) for i in range(10)) )

# printing punctuation
letters = string.punctuation
print ( ''.join(random.choice(letters) for i in range(10)) )

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