Built-in functions
What if I ask you to define the maximum number in the list? Surely, using acquired knowledge, you can write a loop and check if the current element is greater/less than the previous and rewrite it, otherwise - continue... But in the case of big lists, this approach is very time-harmful... This task can be solved by using some built-in function.
min(x, y, ...)- minimum element of x, y, ...max(x, y, ...)- maximum element of x, y, ...abs(x)- absolute value of numberround(x, n)- rounds number x to n digitspow(x, n)- x raised to the power n
For example, for countries we can calculate population density (population/area) and round result to 2 digits
1234567countries = [["USA", 9629091, 331002651], ["Canada", 9984670, 37742154], ["Germany", 357114, 83783942], ["Brazil", 8515767, 212559417], ["India", 3166391, 1380004385]] # calculate population density for countries for i in range(len(countries)): if type(countries[i]) is list: print(countries[i][0], 'has population density:', round(countries[i][2]/countries[i][1], 2))
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In the people list, all the heights are in cm. Transform it into inches (divide by 2.54), round result to 2 digits and print message "Name has height of x inches".
Рішення
Перейдіть на комп'ютер для реальної практикиПродовжуйте з того місця, де ви зупинились, використовуючи один з наведених нижче варіантівДякуємо за ваш відгук!
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Completion rate improved to 2.33Awesome!
Completion rate improved to 2.33Built-in functions
What if I ask you to define the maximum number in the list? Surely, using acquired knowledge, you can write a loop and check if the current element is greater/less than the previous and rewrite it, otherwise - continue... But in the case of big lists, this approach is very time-harmful... This task can be solved by using some built-in function.
min(x, y, ...)- minimum element of x, y, ...max(x, y, ...)- maximum element of x, y, ...abs(x)- absolute value of numberround(x, n)- rounds number x to n digitspow(x, n)- x raised to the power n
For example, for countries we can calculate population density (population/area) and round result to 2 digits
1234567countries = [["USA", 9629091, 331002651], ["Canada", 9984670, 37742154], ["Germany", 357114, 83783942], ["Brazil", 8515767, 212559417], ["India", 3166391, 1380004385]] # calculate population density for countries for i in range(len(countries)): if type(countries[i]) is list: print(countries[i][0], 'has population density:', round(countries[i][2]/countries[i][1], 2))
Swipe to start coding
In the people list, all the heights are in cm. Transform it into inches (divide by 2.54), round result to 2 digits and print message "Name has height of x inches".
Рішення
Перейдіть на комп'ютер для реальної практикиПродовжуйте з того місця, де ви зупинились, використовуючи один з наведених нижче варіантівДякуємо за ваш відгук!
single
Awesome!
Completion rate improved to 2.33Built-in functions
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What if I ask you to define the maximum number in the list? Surely, using acquired knowledge, you can write a loop and check if the current element is greater/less than the previous and rewrite it, otherwise - continue... But in the case of big lists, this approach is very time-harmful... This task can be solved by using some built-in function.
min(x, y, ...)- minimum element of x, y, ...max(x, y, ...)- maximum element of x, y, ...abs(x)- absolute value of numberround(x, n)- rounds number x to n digitspow(x, n)- x raised to the power n
For example, for countries we can calculate population density (population/area) and round result to 2 digits
1234567countries = [["USA", 9629091, 331002651], ["Canada", 9984670, 37742154], ["Germany", 357114, 83783942], ["Brazil", 8515767, 212559417], ["India", 3166391, 1380004385]] # calculate population density for countries for i in range(len(countries)): if type(countries[i]) is list: print(countries[i][0], 'has population density:', round(countries[i][2]/countries[i][1], 2))
Swipe to start coding
In the people list, all the heights are in cm. Transform it into inches (divide by 2.54), round result to 2 digits and print message "Name has height of x inches".
Рішення
Перейдіть на комп'ютер для реальної практикиПродовжуйте з того місця, де ви зупинились, використовуючи один з наведених нижче варіантівДякуємо за ваш відгук!
