When used with strings, asterisk (*) is defined as repetition operator. It concatenates given string as many times as number followed by asterisk. >>> string = 'abcdefghij' >>> print (string*2) abcdefghijabcdefghij

When used with strings, plus (+) is defined as concatenation operator. It appends second string to the first string. >>> s1 = 'TutorialsPoint ' >>> s2 = 'Hyderabad' >>> print (s1+s2) TutorialsPoint Hyderabad

Any built-in data type converted into its string representation by str() function >>> str(10) '10' >>> str(11.11) '11.11' >>> str(3+4j) '(3+4j)' >>> str([1, 2, 3]) '[1, 2, 3]' >>> str((1, 2, 3)) '(1, 2, 3)' >>> str({1:11, 2:22, 3:33}) '{1: 11, 2: 22, 3: 33}' For a user ... Read More

You can use any Python aware editor to write Python script. Standard distribution of Python comes with IDLE module which is an integrated development and learning environment. Start IDLE and open a new file from file menu. In the editor page enter print (“Hello World!”) Save the script ... Read More

Standard distribution of Python contains collections module. It has definitions of high performance container data types. OrderedDict is a sub class of dictionary which remembers the order of entries added in dictionary object. When iterating over an ordered dictionary, the items are returned in the order their keys were first ... Read More

In sys module, a struct sequence (tuple of named elements) called float_info has been defined. In this structure, an element max returns maximum representable finite float number. >>> import sys >>> sys.float_info.max 1.7976931348623157e+308

Maximum length of a string is platform dependent and depends upon address space and/or RAM. The maxsize constant defined in sys module returns 263-1 on 64 bit system. >>> import sys >>> sys.maxsize 9223372036854775807 The largest positive integer supported by the platform's Py_ssize_t type, is ... Read More

Maximum length of a list is platform dependent and depends upon address space and/or RAM. The maxsize constant defined in sys module returns 263-1 on 64 bit system. >>> import sys >>> sys.maxsize 9223372036854775807 The largest positive integer supported by the platform's Py_ssize_t type, is ... Read More