python API

py_api.py

# http://thepythonguru.com/

# start
$ python3

# end
$ exit()

# run
$ python script.py

# user input
$ name = input("Enter your name: ")

# str to int
$ int("string")

# check type
$ type([])

# import modules
import module_name_1, module_name_2

# immutable strings
$ id("string1")

# STRINGS

# char in string
$ "mango"[0]

# slicing strings
$ "mango"[1:3]	
// "an"

# length of string
$ len("string")

# check existance of string in string
$ "pappa" in "barbapappa"
// true
$ "foo" not in "barbappapa"
// true

# loop
for i in "string":
  print(i)

# METHOD NAME	METHOD DESCRIPTION
isalnum()       Returns True if string is alphanumeric
isalpha()	      Returns True if string contains only alphabets
isdigit()	      Returns True if string contains only digits
isidentifier()	Return True is string is valid identifier
islower()	      Returns True if string is in lowercase
isupper()	      Returns True if string is in uppercase
isspace()	      Returns True if string contains only whitespace

endswith(s1: str): bool	    Returns True if strings ends with substring s1
startswith(s1: str): bool	  Returns True if strings starts with substring s1
count(substring): int	      Returns number of occurrences of substring the string
find(s1): int	              Returns lowest index from where s1 starts in the string, if string not found returns -1
rfind(s1): int	            Returns highest index from where s1 starts in the string, if string not found returns -1

capitalize(): str	          Returns a copy of this string with only the first character capitalized.
lower(): str	              Return string by converting every character to lowercase
upper(): str	              Return string by converting every character to uppercase
title(): str	              This function return string by capitalizing first letter of every word in the string
swapcase(): str	            Return a string in which the lowercase letter is converted to uppercase and uppercase to lowercase
replace(old, new): str	    This function returns new string by replacing the occurrence of old string with new string