Commit fc3787e0 by Nicolas MAILLET

### Add CM/TP1

parent 81a7f4b4
File added
File added
 """ TP1 where we learn a bit of Python""" # First test print("Hello World!") # Variable and if my_variable = True if my_variable: print("Hello World!") # Create a list my_list = [1, 1, 2, 3, 5, 8, 13, 21] print(my_list) # Add something in a list my_list = [1, 1, 2, 3, 5, 8, 13, 21] my_list.append(42) print(my_list) # Access to a subpart of a list my_list = [1, 1, 2, 3, 5, 8, 13, 21, 42] print(my_list[0:5]) # Get the size of a list my_list = [1, 1, 2, 3, 5, 8, 13, 21, 42] size_list = len(my_list) print(size_list) # Access to a subpart of a list my_list = [1, 1, 2, 3, 5, 8, 13, 21, 42] size_list = len(my_list) print(my_list[5:size_list]) # Access to last elements my_list = [1, 1, 2, 3, 5, 8, 13, 21, 42] print(my_list[-1]) # Access to the second last element my_list = [1, 1, 2, 3, 5, 8, 13, 21, 42] print(my_list[-2]) # Notion of step: going from index 3 to the end # but every 2 values my_list = [1, 1, 2, 3, 5, 8, 13, 21, 42] print(my_list[3:len(my_list):2]) # Notion of step: going from index 3 to the end # but every 2 values my_list = [1, 1, 2, 3, 5, 8, 13, 21, 42] print(my_list[3::2]) # Step in list my_list = [1, 1, 2, 3, 5, 8, 13, 21, 42] for i in my_list[3:len(my_list):2]: print(i) # Reverse the order my_list = [1, 1, 2, 3, 5, 8, 13, 21, 42] print(my_list[::-1]) # Reverse the order, with start/end my_list = [1, 1, 2, 3, 5, 8, 13, 21, 42] print(my_list[7:2:-1]) # Reverse the order, with start/end and step my_list = [1, 1, 2, 3, 5, 8, 13, 21, 42] print(my_list[7:2:-2]) # Concatenate two lists my_list = [1, 1, 2, 3, 5, 8, 13, 21, 42] my_other_list = ["Hello", "World", "Pwet"] result = my_list + my_other_list print(result) # Strings are lists my_char = "Hi all!" print(my_char[5:2:-1]) # List are objects my_list = [1, 2, 3] my_other_list = my_list my_other_list.append(5) print(my_list) # Correct way of creating a copy of a list my_list = [1, 2, 3] my_other_list = list(my_list) my_other_list.append(5) print(my_list) # Simple for my_list = [1, 1, 2, 3, 5, 8, 13, 21, 42] for i in my_list: print(i) # For with step/beg/end my_list = [1, 1, 2, 3, 5, 8, 13, 21, 42] for i in my_list[7:2:-1]: print(i) # While loop my_list = [1, 1, 2, 3, 5, 8, 13, 21, 42] i = 0 while i < len(my_list): print(my_list[i]) i += 1 # Example of dict my_dict = {} my_dict["keys1"] = 5 my_dict["keys2"] = 6 my_dict[42] = "Pwet" print(my_dict) print(my_dict[42]) # Print keys or values of a dict print(my_dict.keys()) print(my_dict.values()) # Play with values for i in my_dict.values(): print(i) # Import a module import random # Define a new function def my_function(): # Get a random number between 2 and 5 my_rand = random.randint(2, 5) # If this number is 4... if my_rand == 4: # Print something print("Random") # Execute the function my_function() # Argument in functions def my_function(arg): # If the string version of arg is not Pwet if str(arg) != "Pwet": # Print it print(arg) else: # Else, print something else print("Zbla") # Try the function my_function(3) my_function("Poulpe") my_function("Pwet") # Return a value def my_function(arg): # The variable that will be returned ret = "Zbla" # If the string version of arg is not Pwet if str(arg) != "Pwet": # Modify the variable ret = arg # Return it return ret # Try the function print(my_function(3)) print(my_function("Poulpe")) print(my_function("Pwet")) # Return several values def my_function(arg): ret = "Zbla" # If the string version of arg is not Pwet if str(arg) != "Pwet": # Modify the variable ret = arg # Return it and its length return ret, len(str(ret)) # Try the function print(my_function("Pwet")) # Access like a list to returned values print(my_function("Pwet")[0]) print(my_function("Pwet")[1]) class MyObject: """ Creating a new simple object """ # Initialize the object def __init__(self, arg1, arg2=None): # Arg2 is optional self.arg1 = arg1 self.arg2 = arg2 # If arg2 does not exist, initialize a list if self.arg2 is None: self.arg2 = [] # self representation for print def __repr__(self): return "Arg1 is {}\nArg2 has a size of {}".format(self.arg1, len(self.arg2)) def a_function(self, a_value): """ Internal function of the object """ # Return the concatenation arg1 and a_value return str(self.arg1) + str(a_value) test = MyObject("Pwet", [0, 1, 3]) print(test) print(test.a_function(10))
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