GitHub - human-ak/Python-codes-for-NPTEL-course: Programming, Data Structures And Algorithms Using Python(NPTEL) by Prof. Madhavan Mukund, Chennai Mathematical Institute

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Python function hillvalley(l) that takes a list l of integers and returns True if it is a hill or a valley, and False otherwise.		Python function hillvalley(l) that takes a list l of integers and returns True if it is a hill or a valley, and False otherwise.
Python function sumsquare(l) that takes a nonempty list of integers and returns a list [odd,even]		Python function sumsquare(l) that takes a nonempty list of integers and returns a list [odd,even]
Python function threesquares(m) that takes an integer m as input and returns True if m can be expressed as the sum of three squares and False otherwise.		Python function threesquares(m) that takes an integer m as input and returns True if m can be expressed as the sum of three squares and False otherwise.
Python function transpose(m) that takes as input a two dimensional matrix m and returns the transpose of m.		Python function transpose(m) that takes as input a two dimensional matrix m and returns the transpose of m.
function repfree(s) that takes as input a string s and checks whether any character appears more than once. The function should return True if there are no repetitions and False otherwise.		function repfree(s) that takes as input a string s and checks whether any character appears more than once. The function should return True if there are no repetitions and False otherwise.