capitals = { key:val for key, val in capitals.items() if val < 1000000 } A new dictionary is created using a dictionary comprehension. It contains capitals that have a population smaller than one million. $ ./comprehension.py {'Bratislava': 424207, 'Vilnius': 556723, 'Jerusalem': 780200...
So you can see that by using ‘del’ an element can easily be deleted from the dictionary. If you want to delete complete dictionary ie all the elements in the dictionary then it can be done using the clear() function. Here is an example : >>> myDict {'C': 'Cat', 'B': 'Boy'...
Lines 19 and 20 define a for loop that iterates over the PDF pages, extracts their content as strings, and appends these strings to content. Line 22 concatenates all the strings in content using the .join() method and a newline (\n) character as a separator. Finally, it writes the ...
Create a virtual Python dictionary
In the above example, we are trying to read only the 4thline from the ‘test.txt’ file using a“for loop”. Output: Reading the entire file at once filename = “C:/Documents/Python/test.txt” filehandle = open(filename, ‘r’) ...
Tokenize the string: ["Python", "is", "Amazing"] Extract the first characters: ["P", "i", "A"] Convert to uppercase: ["P", "I", "A"] Combine to form the acronym: "PIA" Example def create_acronym(phrase): acronym = "" words = phrase.split() for word in words: acronym...
Adds handler for order execution events. See subscribe_to_order_info.Example of handler:# addon - entity received from create_addon function # alias - string; it defines unique name of respective instrument # event - dictionary; it represents an order execution event. It has this structure: #...
# Python program to # create a dictionary from a sequence # creating dictionary dic_a = dict([(1,'apple'), (2,'ball'), (3,'cat')]) # printing the dictionary print("dict_a :", dic_a) # printing key-value pairs for x,y in dic_a.items(): print(x,':',y) ...
We have created an empty list and appended the required number of zeros to the list using for loop. In the list comprehension, we have done the same thing, but in a single line. Coming to the user-defined function, we have passed the number of zeros we want in the list to the ...
Using tuples as keys in dictionaries We can use tuples as keys in dictionaries because they are immutable. This is useful when we need to create a dictionary with composite keys that consist of multiple values. Example: student_grades = {("Jorge","Jorge"): 85, ("Liam","Joseph"):92}...