venture of iit bombay vjti alumni - - - python allows you to use lowercase with longbut it is recommended that you use only an uppercase to avoid confusion with the number python displays long integers with an uppercase complex number consists of an ordered pair of real floating-point numbers denoted by yjwhere and are the real numbers and is the imaginary unit python strings strings in python are identified as contiguous set of characters represented in the quotation marks python allows for either pairs of single or double quotes subsets of strings can be taken using the slice operator (and [:with indexes starting at in the beginning of the string and working their way from - at the end the plus (+sign is the string concatenation operator and the asterisk (*is the repetition operator for example #!/usr/bin/python str 'hello world!