calss_week_3.py

# -*- coding: utf-8 -*-
"""
Spyder Editor

This is a temporary script file.
"""
my_name = "Marketa Podebradska"
my_name2 = 'Marketa'

print(my_name, my_name2)

# Coercion
day_length = "24"

print(float(day_length))
print(int(day_length))
print(str(day_length))

# Using backslash in string
print("This is Bob's house")
print('This is Bob\'s house')
print("Marketa\nPodebradska")
print("(1)\t Marketa Podebradska")

my_path = r"C:\Users\mpodebradska2\IDLWorkspace\Default"
print(my_path)

import os
my_path = r"C:\Users\mpodebradska2\IDLWorkspace\Default" + os.path.sep
print(my_path)

# Working with strings
result = my_name.startswith("M")
print(result)
print(my_name[8:])
print(my_name[my_name.find("P"):])

for letter in my_name:
    if letter.lower() == "p":
        print(letter)
        
data = "    08/24/2010 0800    $156,000,000.00"
dollars = float(data.split()[-1]\
                .replace("$", "")\
                .replace(",", "")\
)

print(dollars)

banana = "banana"
count = banana.count("a")
print(count)

number = len([letter for letter in banana if letter == "a"])
print(number)

# List comprehension
ages = [5, 25, 30, 50, 100]

new_age = [a + 5 if a <= 30 else a for a in ages]
print(new_age)

# Dictionaries
nres = {"name" : "NRES 898/498",
        "students" : {
                "Marketa": {"grade" : 100}
                }
        }
        
print(nres)

for key, value in nres.items():
    print(key, value)

# Dictionary comprehensions

example_dict = {"Joe" : 35, "Bob" : 50}
example_dict.update({"Marketa" : 28})

new_dict = {key : value + 1 for key, value in example_dict.items()}
print(new_dict)

#Exercxise 4

string = "50.0, 500, 6"

def func(string, delimiter = ","):
    '''Takes a string with delimited numbers and returns a list pf float values'''
    num = string.split(delimiter)
    return [float(number) for number in num]

print(func(string))