The following example demonstrates how to add to an array using theappend(),extend(), andinsert()methods: importarray# create array objects, of type integerarr1=array.array('i',[1,2,3])arr2=array.array('i',[4,5,6])# print the arraysprint("arr1 is:",arr1)print("arr2 is:",a...
In this third and final example, we will use a for loop and the setdefault() method to convert the list of tuples into a dictionary:my_dict = {} for i,j in my_tuples: my_dict.setdefault(i,[]).append(j) print(my_dict) # {'Name': ['John'], 'Age': [25], 'Occupation':...
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Here, we have created a list using the square brackets and individual elements instead of a collection object. We can also create a list using the elements of other container objects such as a set or a tuple. For this, we just need to pass the container object to the list() constructor...
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Use the (+) operator to join two strings and generate an output quickly. This operator is slow for appending multiple strings compared to other methods. Method 2: Using join() Thejoin()method concatenates iterable objects (such as lists, tuples, or dictionaries) into one string. To use the...
Learn simple methods to convert a Python list to a string with step-by-step examples and code snippets. Master Python string conversion quickly and easily.
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dict_from_tuples = {k: vfork, vinlist_of_tuples} Herekrefers to the key andvrefers to the value in each tuple. The result of this dictionary comprehension will be: {'a':1,'b':2,'c':3} Note:If the tuples are not guaranteed to be pairs, this may cause aValueError. To avoid...
Learn how to open, read, write, and perform file operations in Python with built-in functions and libraries. A list of modes for a file handling.