Write a function that returns if the $n^{th}$ character in a given string is a given character. - Strings in Python Assignment - Use this assignment in your class!

Strings in Python Assignment

Write a function that returns if a string ends in ing.

Write a function that removes any duplicate characters from a string.

Write a function that reverses the casing of each character in a string.

Write a function that returns a mirrored version of the string (i.e., the string concatenated with the string in reverse).

Write a function that takes in a full name formatted as Last, First and outputs the name formatted as First Last.

Write a function that replaces the all occurrences of a given character in a string after n occurrences with another character.

Write a function that returns if the $n^{t h}$ character in a given string is a given character.

Write a function that concatenates two strings, with the longer string first.

Write a function that converts a list of numbers to its phone-formatted string.

10.

Write a function that adds two number strings (i.e., "one" + "three" = "four").

Write a function that returns if the $n^{t h}$ character in a given string is a given character.

Parameters
s: the string to test if the $n^{t h}$ character is c.
n: the number character in test_string to compare to c. (NOTE: n does NOT represent the 0-based index in the string. Rather, it represents the 1-based index in the string.
c: the character to compare with the $n^{t h}$ character in s.

Output
Returns True if the $n^{t h}$ character in s is c.

STDIN format
s n c (for instance, cat 2 a)

Sample input / outputs
cat 2 a / True
cat 1 a / False
1234 4 4 / True
1234 4 5 / False

You answeredJUST NOW

Python

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def n_is_c(s, n, c):
    # YOUR CODE HERE
    return False # change this
# Input handling (do not edit)
parts = input().split(" ")
print(n_is_c(parts[0], int(parts[1]), parts[2]))
 
 
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You passed all test cases!

STDIN

cat 2 a

Expected STDOUT

True

Your STDOUT

True

STDIN

cat 1 a

Expected STDOUT

False

Your STDOUT

False

STDIN

1234 4 4

Expected STDOUT

True

Your STDOUT

True

STDIN

1234 4 5

Expected STDOUT

False

Your STDOUT

False

STDIN

1234 -1 1

Expected STDOUT

False

Your STDOUT

False

STDIN

apple 1 a

Expected STDOUT

True

Your STDOUT

True

STDIN

apple 0 a

Expected STDOUT

False

Your STDOUT

False

STDIN

aaa -1 a

Expected STDOUT

False

Your STDOUT

False

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Instructor solution

Alec KretchJAN 2, 2021, 5:59:42 PM

Python

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def n_is_c(s, n, c):
    if n > len(s) or n < 0: # if n is beyond the limits of the string, return False (avoid array bounds error)
        return False
    return s[n-1] == c # n-1 is the desired index
# Input handling (do not edit)
parts = input().split(" ")
print(n_is_c(parts[0], int(parts[1]), parts[2]))
 
 
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Strings in Python Presentation (page 2)

By Alec Kretch (Aug 15, 2023)

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Think you've got it?

Which of the following options returns whether or not the last character of `s` is `c`?

Select one of the following options:

A.
return s[len(s)] == c
B.
return s[len(s)-1] == c
C.
return s[-1] == c
D.
A & C
E.
B & C

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Write a function that returns if the nth character in a given string is a given character.

Instructor solution

Strings in Python Presentation (page 2)

Think you've got it?

Which of the following options returns whether or not the last character of s is c?

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Write a function that returns if the $n^{t h}$ character in a given string is a given character.

Which of the following options returns whether or not the last character of `s` is `c`?