In Python, using the __file__ is the easiest way to get name of current script. Using Module Attributes You can use __file__ to get the name of the current file. When used in the main module, this is the name of the script that was originally invoke...

In Python, there are 2 ways to determine whether a given integer is between two other integers. Using Comparisons Unlike C, all comparison operations in Python have the same priority, which is lower than that of any arithmetic, shifting or bitwise o...

In Python, there are 2 ways to delete a character from a string. Using replace Method The str.replace(old, new[, count]) method returns a copy of the string with all occurrences of substring old replaced by new. If the optional argument count is giv...

In Python, there are 2 ways to make a list of alphabet characters. Using string Module The string.ascii_lowercase is a pre-initialized string used as string constant. In Python, string ascii_lowercase will give the lowercase letters ‘abcdefghijklmno...

In Python, using the uniform function is the easiest way to get a random number between a float range. Using uniform Method The random.uniform(a, b) method returns a random floating point number N such that a

In Python, there are 2 ways to extract all the numbers contained in a string. Using List Comprehension List comprehensions provide a concise way to create lists. If you only want to extract only positive integers, try the following: #!/usr/bin/...

In Python, using the str.split method is the easiest way to split a string into a list Using split Method The str.split(sep=None, maxsplit=- 1) method returns a list of the words in the string, using sep as the delimiter string. If maxsplit is given...

In Python, using the os.chdir method is the easiest way to set the current working directory Using chdir Method The os.chdir(path) method changes the current working directory to path. For example, #!/usr/bin/python3 # Import module import os ...

In Python, there are 3 ways to get the position of a character. Using find Method The str.find(sub[, start[, end]]) method returns the lowest index in the string where substring sub is found within the slice s[start:end]. Optional arguments start an...

In Python, there are 2 ways to append integer to beginning of list. Using insert Method The list.insert() method inserts an item at a given position. The first argument is the index of the element before which to insert. For example, #!/usr/bin...

In Python, using the timedelta object is the easiest way to calculate number of days between two given dates. Using timedelta If you have two date objects, you can just subtract them, which computes a timedelta object. In this program, we will cal...

In Python, there are 2 ways to delete the contents of a folder. Using rmtree Method The shutil.rmtree() method deletes an entire directory tree; path must point to a directory. For example, #!/usr/bin/python3 # Import module import os, shutil ...

In Python, there are 2 do case insensitive string comparison. Using casefold Method The str.casefold() method returns a casefolded copy of the string. Casefolded strings may be used for caseless matching. For example, #!/usr/bin/python3 a = "H...

In Python, there are 2 ways to find out the number of CPUs. Using multiprocessing Module The multiprocessing.cpu_count() method returns the number of CPUs in the system. For example, #!/usr/bin/python3 # Import module import multiprocessing c...

In Python, there are 3 ways to get current time in milliseconds. Using time Method The time.time() method returns the time in seconds since the epoch as a floating point number. For example, #!/usr/bin/python3 # Import module import time ms =...