You can use Counter if you want to do multiple count of the list from collections import Counter list = ['Jones','Adams','Frank','John','Lopez','Jones','Smith','Ivan','Julian','Carlos','Adams','Frank','Jones','John','Ivan'] print(Counter(list)) Result: Counter({'Jones': 3, 'Adams': 2, 'Frank': 2, 'JRead more
You can use Counter if you want to do multiple count of the list
Follow this example to create a variable outside functions, and use it inside the functions: MyVariable = 99 #this is a global variable def changeAndPrint_GlobalVariable(): global MyVariable #use global variable in this function with "global" keyword print('Global variable "MyVariable" before changeRead more
Follow this example to create a variable outside functions, and use it inside the functions:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
MyVariable=99#this is a global variable
def changeAndPrint_GlobalVariable():
globalMyVariable#use global variable in this function with "global" keyword
print('Global variable "MyVariable" before change = ',MyVariable)# the global variable is printed
MyVariable=1#change the value of the global variable is printed
print('Global variable "MyVariable" after change = ',MyVariable)# the global variable is printed
def changeAndPrint_LocalVariable():
MyVariable=77#this is a local variable
print('Local variable "MyVariable" = ',MyVariable)#the local variable is printed
Hello this code may help you: def flatten_list(original_List): flat_list = [] for sub_list in original_List: for element in sub_list: flat_list.append(element) return flat_list #test original_List=[['a', 'b', 'c', 'd','e'], ['f', 'g', 'h', 'i'], ['j', 'k', 'l'], ['m', 'n', 'o']] print('original listRead more
This website uses cookies so that we can provide you with the best user experience possible. Cookie information is stored in your browser and performs functions such as recognising you when you return to our website and helping our team to understand which sections of the website you find most interesting and useful.
Strictly Necessary Cookies
Strictly Necessary Cookie should be enabled at all times so that we can save your preferences for cookie settings.
If you disable this cookie, we will not be able to save your preferences. This means that every time you visit this website you will need to enable or disable cookies again.
3rd Party Cookies
This website uses Google Analytics to collect anonymous information such as the number of visitors to the site, and the most popular pages.
Keeping this cookie enabled helps us to improve our website.
Please enable Strictly Necessary Cookies first so that we can save your preferences!
How do I count the occurrences of all list items using python?
You can use Counter if you want to do multiple count of the list from collections import Counter list = ['Jones','Adams','Frank','John','Lopez','Jones','Smith','Ivan','Julian','Carlos','Adams','Frank','Jones','John','Ivan'] print(Counter(list)) Result: Counter({'Jones': 3, 'Adams': 2, 'Frank': 2, 'JRead more
You can use Counter if you want to do multiple count of the list
Result:
How to remove duplicate values from list in Python?
Hi, to remove duplicates from the list you can add this line before printing the list: my_list = list(dict.fromkeys(my_list)) best regards
Hi,
to remove duplicates from the list you can add this line before printing the list:
best regards
How do I use a global variable inside a function using Python?
Follow this example to create a variable outside functions, and use it inside the functions: MyVariable = 99 #this is a global variable def changeAndPrint_GlobalVariable(): global MyVariable #use global variable in this function with "global" keyword print('Global variable "MyVariable" before changeRead more
Follow this example to create a variable outside functions, and use it inside the functions:
This code will print:
How to flatten a list of lists in python?
Hello this code may help you: def flatten_list(original_List): flat_list = [] for sub_list in original_List: for element in sub_list: flat_list.append(element) return flat_list #test original_List=[['a', 'b', 'c', 'd','e'], ['f', 'g', 'h', 'i'], ['j', 'k', 'l'], ['m', 'n', 'o']] print('original listRead more
Hello
this code may help you: