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0x00. Python - Hello, World

About

An introductory project on:

  • How to use the Python interpreter
  • How to print text and variables using print
  • How to use strings
  • Indexing and slicing in Python
  • How to check your code with PEP 8

Requirements

  • Python 3.4
  • pep8 1.7

File Descriptions

Mandatory

0-run - Write a Shell script that runs a Python script. The Python file name will be saved in the environment variable $PYFILE.

1-run_inline - Write a Shell script that runs Python code. The Python code will be saved in the environment variable $PYCODE.

2-print.py - Write a Python script that prints exactly "Programming is like building a multilingual puzzle, followed by a new line.

3-print_number.py - Complete the source code in order to print the integer stored in the variable number, followed by Battery street, followed by a new line.

  • not allowed to cast the variable number into a string
  • code must be 3 lines long
  • have to use the (new print formatting)

4-print_float.py - Complete the source code in order to print the float stored in the variable number with a precision of 2 digits.

5-print_string.py - Complete the source code in order to print a string stored in the variable str three times, followed by a new line, followed by its first 9 characters and a new line.

  • not allowed to use any loops or conditional statements
  • program should be maximum 5 lines long

6-concat.py - Complete the source code in order to print Welcome to Holberton School!

  • not allowed to use any loops or conditional statements
  • have to use the variables str1 and str2 in your new line of code
  • program should be exactly 5 lines long

7-edges.py - Complete the source code such that:

  • word_first_3 contains the first 3 letters of the variable word
  • word_last_2 contains the last 2 letters of the variable word
  • middle_word contains the value of the variable word without the first and last letters
  • not allowed to use any loops or conditional statements
  • program should be exactly 8 lines long

8-concat_edges.py - Complete the source code in order to print object-oriented programming with Python, followed by a new line.

  • not allowed to use any loops or conditional statements
  • program should be exactly 5 lines long
  • not allowed to create new variables
  • not allowed to use string literals

9-easter_egg.py - Write a Python script that prints "The Zen of Python", by TimPeters, followed by a new line.

  • script should be maximum 98 characters long

Advanced

100-write.py - Write a Python script that prints exactly and that piece of art is useful - Dora Korpar, 2015-10-19, followed by a new line.

  • Use the function write from the sys module
  • not allowed to use print
  • script should print to stderr
  • script should exit with the status code 1

101-compile - Write a script that compiles a Python script file. The Python file name will be stored in the environment variable $PYFILE. The output filename has to be $PYFILEc (ex: export PYFILE=my_main.py => output filename: my_main.pyc)

102-magic_calculation.py - Write a Python function def magic_calculation(a, b): that does exactly the same as the following Python bytecode:

 3		0 LOAD_CONST               1 (98)
              	3 LOAD_FAST                0 (a)
              	6 LOAD_FAST                1 (b)
              	9 BINARY_POWER
             	10 BINARY_ADD
             	11 RETURN_VALUE