Internal material.
Basic programming course
Ubuntu
OS: Operating System
--Example 1 Windows, macOS, Linux --Example 2 iOS, Android
Linux: Free OS
--Example Ubuntu-This OS will be used in the future.
Ubuntu
To communicate with the OS with the keyboard, use a terminal. From now on, when "$ xxxx" is written, it means to type "xxxx" in the terminal and press Enter. From now on, when "\ # comment etc." is written, it means that it is written as "comment etc." as an aid to understanding.
\ # For example, on taro's terminal, it is displayed like this.
$ whoami taro
$ pwd /home/taro
$ ls -l drwxr-xr-x 2 taro staff 64 May 14 20:12 Desktop drwxr-xr-x 2 taro staff 64 May 14 20:12 Downloads
$ mkdir project Create a directory (folder) called \ # project.
$ ls -l drwxr-xr-x 2 taro staff 64 May 14 20:12 Desktop drwxr-xr-x 2 taro staff 64 May 14 20:12 Downloads drwxr-xr-x 2 taro staff 64 May 14 20:12 project
$ cd project Move to a directory (folder) called \ # project.
$ ls -l -rw-r--r--@ 1 taro staff 564 May 14 20:40 test1.py
python
$ python test1.py
Execute the program from the terminal in the form of.
# test1.py
import numpy
#Import (load) numpy module
print('Hello, world')
y = 570*3
print(y)
name = 'Taro'
print(name)
x = numpy.pi + y
#print('%s says x is %lf' % (name, x))
print('--')
list_name = ['taro', 'hanako', 'madoka']
list_test_score = [95, 100, 120]
#len(A)And the length of A(length)Is displayed.
print( len(list_names) )
print( list_name[0], list_test_score[0] )
print( list_name[1], list_test_score[1] )
print( list_name[2], list_test_score[2] )
#Display automatically with for loop.
for i in range(len(list_names)):
print ('%s test score is %d' % (list_name[i], list_test_score[i]))
print('--')
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