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Exercise 6 Use the function design recipe to develop a function named has_pair. The function header (with missing type annotations) is: has_pair(s, ch). Parameter s is a string that has at least two characters. Parameter ch is a string containing exactly one character. The function returns True if s contains two occurrences of ch next to each other; otherwise it returns False. For example, when has_pair is called this way: has_pair('abccd', 'c'), the function returns True, because 'abccd' contains a 'c' next to a 'c'. When has_pair is called this way: has_pair ('abcdc', 'c'), the function returns False. Although 'abcdc' contains two occurrences of 'c', the first one isn't beside the second one. Your function must have exactly one loop. Your function definition must have type annotations and a complete docstring. Use the Python shell to test has_pair.

Exercise 6 Use the function design recipe to develop a function named has_pair. The function header (with missing type annotations) is: has_pair(s, ch). Parameter s is a string that has at least two characters. Parameter ch is a string containing exactly one character. The function returns True if s contains two occurrences of ch next to each other; otherwise it returns False. For example, when has_pair is called this way: has_pair('abccd', 'c'), the function returns True, because 'abccd' contains a 'c' next to a 'c'. When has_pair is called this way: has_pair ('abcdc', 'c'), the function returns False. Although 'abcdc' contains two occurrences of 'c', the first one isn't beside the second one. Your function must have exactly one loop. Your function definition must have type annotations and a complete docstring. Use the Python shell to test has_pair.

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Please complete the exercise as instructed and do not use global variables. As well, please follow the guildines of what the solution cannot have in the second image provided. Thank you!

Your solutions cannot use: the in and not in operators (e.g., if s1 in s2:...). • slicing (e.g., slice s[ij]). ● = the index and count methods. any of the methods provided by type str; for example, count, find, index, join, replace, rfind, rindex and many more.
Transcribed Image Text:Your solutions cannot use: the in and not in operators (e.g., if s1 in s2:...). • slicing (e.g., slice s[ij]). ● = the index and count methods. any of the methods provided by type str; for example, count, find, index, join, replace, rfind, rindex and many more.
Exercise 6 Use the function design recipe to develop a function named has_pair. The function header (with missing type annotations) is: has_pair(s, ch). Parameter s is a string that has at least two characters. Parameter ch is a string containing exactly one character. The function returns True if s contains two occurrences of ch next to each other; otherwise it returns False. For example, when has_pair is called this way: has_pair('abccd', 'c'), the function returns True, because 'abccd' contains a 'c' next to a 'c'. When has_pair is called this way: has_pair ('abcdc', 'c'), the function returns False. Although 'abcdc' contains two occurrences of 'c', the first one isn't beside the second one. Your function must have exactly one loop. Your function definition must have type annotations and a complete docstring. Use the Python shell to test has_pair.
Transcribed Image Text:Exercise 6 Use the function design recipe to develop a function named has_pair. The function header (with missing type annotations) is: has_pair(s, ch). Parameter s is a string that has at least two characters. Parameter ch is a string containing exactly one character. The function returns True if s contains two occurrences of ch next to each other; otherwise it returns False. For example, when has_pair is called this way: has_pair('abccd', 'c'), the function returns True, because 'abccd' contains a 'c' next to a 'c'. When has_pair is called this way: has_pair ('abcdc', 'c'), the function returns False. Although 'abcdc' contains two occurrences of 'c', the first one isn't beside the second one. Your function must have exactly one loop. Your function definition must have type annotations and a complete docstring. Use the Python shell to test has_pair.
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