String slices
String slices Python slicing is a sub-string of the given string from start to end. The slice object is used to slice a given sequence (string, bytes, tuple, list or range) or any object which supports sequence protocol (implements __getitem__() and __len__() method). slice() Constructor The syntax of slice() : slice(stop) · slice(start, stop…
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String Traversal and the for loop
String Traversal and the for loop Computations are used to processing a string one character at a time. It starts at the beginning, select each character in turn and continue until the end. This pattern of processing is called a traversal . The for statement can iterate over the items of a sequence. A string is simply a sequence of characters and the for lo…
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Strings in python
Strings Contents:- Introduction Compound data type String length Using the built-in function len. Using for loop and in operator. Using while loop and Slicing. Using string methods join and count. Introduction Strings are arrays of bytes representing Unicode characters. It is collection of one or more characters put in a single quote, double-quote or triple…
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Iteration and Recursion:
Conditional execution The ability to check conditions and change the behaviour of the program accordingly. Conditional statements give us this ability. The simplest form is the if statement: if x > 0: print 'x is positive' The boolean expression after if is called the condition . If it is true, then the indented statement gets executed. If not, n…
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