Tim's Technology Journey Wiki

• Download Python
  • https://www.python.org/downloads/
    
• Download Visual Studio Code
  • https://code.visualstudio.com/
    
• Install Requests module
  • https://www.agiratech.com/install-requests-library-in-python
    
  • From the Windows cmd line

    • python -m pip install requests

  • From Linux shell

    • pip install requests

    • or

    • pip install pipenv

• Import Requests module into Python
  • From Python cmd line

    • import requests

      
      

https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/prog/configuration/167/b_167_programmability_cg/python_api.html

print(“This line will be printed.”)

x = 1 if x == 1:

  # indented four spaces
  print("x is 1.")

To define an integer:

myint = 7
print(myint)

To define a floating point number:

myfloat = 7.0
print(myfloat)
myfloat = float(7)
print(myfloat)

Two ways strings are defined:

mystring = 'hello'
print(mystring)
mystring = "hello"
print(mystring)

An example on why you would use double-quotes:

mystring = "Don't worry about apostrophes"
print(mystring)

one = 1 two = 2 three = one + two print(three)

hello = “hello” world = “world” helloworld = hello + “ ” + world print(helloworld)

output: 3 hello world

Assignments can be done on more than one variable “simultaneously” on the same line like this: a, b = 3, 4 print(a,b)

output: 3 4

Mixing operators between numbers and strings is not supported: # This will not work! one = 1 two = 2 hello = “hello”

print(one + two + hello)

mystring = “hello” myfloat = 10.0 myint = 20

# testing code if mystring == “hello”:

  print("String: %s" % mystring)

if isinstance(myfloat, float) and myfloat == 10.0:

  print("Float: %f" % myfloat)

if isinstance(myint, int) and myint == 20:

  print("Integer: %d" % myint)

output: String: hello

  Float: 10.000000
  Integer: 20

mylist = [] mylist.append(1) mylist.append(2) mylist.append(3) print(mylist[0]) # prints 1 print(mylist[1]) # prints 2 print(mylist[2]) # prints 3

# prints out 1,2,3 for x in mylist:

  print(x)

Exercise In this exercise, you will need to add numbers and strings to the correct lists using the “append” list method. You must add the numbers 1,2, and 3 to the “numbers” list, and the words 'hello' and 'world' to the strings variable.

You will also have to fill in the variable second_name with the second name in the names list, using the brackets operator []. Note that the index is zero-based, so if you want to access the second item in the list, its index will be 1.

numbers = [1,2,3] strings = [“hello”,“world”] names = [“John”, “Eric”, “Jessica”]

# write your code here second_name = names[1]

# this code should write out the filled arrays and the second name in the names list (Eric). print(numbers) print(strings) print(“The second name on the names list is %s” % second_name)

output:

  [1, 2, 3]
  ['hello', 'world']
  The second name on the names list is Eric

Or you can use: numbers = [] strings = [] names = [“John”, “Eric”, “Jessica”]

# write your code here numbers.append(1) numbers.append(2) numbers.append(3)

strings.append(“hello”) strings.append(“world”)

second_name = names[1]

# this code should write out the filled arrays and the second name in the names list (Eric). print(numbers) print(strings) print(“The second name on the names list is %s” % second_name)

number = 1 + 2 * 3 / 4.0 print(number)

output: 2.5

remainder = 11 % 3 print(remainder)

Programming