random string generator

README.md

@@ -97,6 +97,9 @@ GitHub repository [One-Python-benchmark-per-day](https://github.com/rasbt/One-Py
 
 - convert 'tab-delimited' to 'comma-separated' CSV files [[IPython nb](http://nbviewer.ipython.org/github/rasbt/python_reference/blob/master/useful_scripts/fix_tab_csv.ipynb?create=1)]
 
+- A random string generator [function](./useful_scripts/random_string_generator.py)
+
+
 
 <br>
 

useful_scripts/random_string_generator.py

@@ -0,0 +1,19 @@
+import string
+import random
+
+def rand_string(length):
+    """ Generates a random string of numbers, lower- and uppercase chars. """
+    return ''.join(random.choice(
+            string.ascii_lowercase + string.ascii_uppercase + string.digits)
+                   for i in range(length)
+            )
+
+if __name__ == '__main__':
+    print("Example1:", rand_string(length=4))
+    print("Example2:", rand_string(length=8))
+    print("Example2:", rand_string(length=16))
+
+
+    # Example1: 5bVL
+    # Example2: oIIg37xl
+    # Example2: 7IqDbrf506TatFO9