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Tuesday, December 8, 2020

Python-courses-python-exercises-python-dictionary

Exercise 93

1 - Write a function named count_characters() which accepts a character string and which returns the occurrence of the characters contained in the string in the form of a dictionary.
2 - Write a function named count_words() which accepts a character string and which returns the occurrence of the words contained in the string as a dictionary.

Solution

Question 1
def count_characters(s):
    d = dict ({})
    listUnique = []
    for c in s:
        if c not in listUnique and c!= ' ':
            listUnique.append (c)
            d [c] = s.count (c)
            
    return d
# Example
s = "Python Programming"
print (count_characters(s))
# The output is:
# {'P': 2, 'y': 1, 't': 1, 'h': 1, 'o': 2, 'n': 2, 'r': 2, 'g': 2, 'a': 1, 'm': 2, 'i': 1}
Question 2
def count_words (s):
    d = dict ({})
    listUnique = []
    listWords = s.split()
    for word in listWords:
        if word not in listUnique:
            listUnique.append(word)
            d[word] = listWords.count(word)
            
    return d
# Example
s = "Python is programming language and is the most used language"
print (count_words(s))
# The output is:
{'Python': 1, 'is': 2, 'programming': 1, 'language': 2, 'and': 1, 'the': 1, 'most': 1, 'used': 1}


Younes Derfoufi
my-courses.net

Friday, December 4, 2020

python-courses-python-exercises-python-tutorials-python-formation

Mastering Python Reference is an accelerated path with the intention to save you time and after gaining knowledge of the lessons you can begin writing workable applications (games, records visualizations, web programs, and lots more).

What is Python
Python is a popular fashionable-motive programming language that can be used for a wide kind of applications. It includes excessive-stage records structures, dynamic typing, dynamic binding, and plenty of more capabilities that make it as useful for complicated software improvement as it is for scripting or "glue code" that connects components collectively. it could additionally be extended to make device calls to almost all operating structures and to run code written in C or C++. because of its ubiquity and capacity to run on nearly every machine structure, Python is a typical language determined in a spread of various applications.

Python Exercises With Solutions

  1. Exercises on Python Strings
  2. Exercises on Python lists
  3. OOP Exercices with solutions
  4. Exercises on Python File I/O
  5. Python Dictionary Exercises
  6. Python Sets Exercises
  1. Python Arithmetic Exercises
  2. Equations & System Of Equations
  3. Polynomials and Functions
  4. Python Arithmetic Exercises 
  5. Numpy, Matplolib, Sympy , Scipy - Exercises
  6. Python Arithmetic Exercises
  1. Python GUI Tkinter Exercises



Younes Derfoufi

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