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Commit 164e1de4 by Patryk Czarnik
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Dopiski do gen_iter

parent f0883adc
Showing with 170 additions and 4 deletions
dzien9/dekoratory/c_pomiar_czasu_v2.py
...@@ -14,7 +14,7 @@ def pomiar_czasu(f): ...@@ -14,7 +14,7 @@ def pomiar_czasu(f):
@pomiar_czasu @pomiar_czasu
def petla(n): def petla(n):
suma = 0 suma = 0
for i in range(n): for i in range(1, n+1):
suma += i suma += i
return suma return suma
......
dzien9/funkcyjne/a_funkcja_jako_wartosc.py
...@@ -7,13 +7,14 @@ def pozegnaj(): ...@@ -7,13 +7,14 @@ def pozegnaj():
print('Początek programu') print('Początek programu')
powitaj() powitaj()
print('\n---- badanie zmiennej f--')
# Funkcję można wpisać do zmiennej # Funkcję można wpisać do zmiennej
f = powitaj f = powitaj
# Teraz w zmiennej f mamy funkcję i możemy ją wywołać # Teraz w zmiennej f mamy funkcję i możemy ją wywołać
f() f()
f = pozegnaj f = pozegnaj
f() f()
print() print('--------\n')
# Funkcja może być elementem kolekcji (lista, słownik...) # Funkcja może być elementem kolekcji (lista, słownik...)
......
dzien9/funkcyjne/filter_map.py
...@@ -5,7 +5,6 @@ print(liczby) ...@@ -5,7 +5,6 @@ print(liczby)
# Aby wypisać tylko liczby spełniające warunek, np. tylko podzielne przez 2, # Aby wypisać tylko liczby spełniające warunek, np. tylko podzielne przez 2,
# można: # można:
for liczba in liczby: for liczba in liczby:
if liczba % 2 == 0: if liczba % 2 == 0:
print(liczba, end=' ') print(liczba, end=' ')
...@@ -65,8 +64,29 @@ print(parzyste_kwadraty) ...@@ -65,8 +64,29 @@ print(parzyste_kwadraty)
pk2 = list(map(lambda x: x**2, filter(lambda x: x % 2 ==0, liczby))) pk2 = list(map(lambda x: x**2, filter(lambda x: x % 2 ==0, liczby)))
print(pk2) print(pk2)
print()
# Operacja reduce realizuje schemat agregacji danych - z sekwencji wielu wartości tworzy pojedynczy wynik
# Przykład: suma elementów listy
# za pomocą pętli
suma = 0
for x in liczby:
suma += x
print(suma)
from functools import reduce
suma2 = reduce(lambda x, y: x+y, liczby, 0)
print(suma2)
mul = lambda x,y: x*y
silnia = lambda n: reduce(mul, range(1, n+1), 1)
print(silnia(0))
print(silnia(1))
print(silnia(5))
print(silnia(100))
print()
# To staje się łądniejsze w zapisie, gdy mamy funkcję, której chcemy użyć # To staje się ładniejsze w zapisie, gdy mamy funkcję, której chcemy użyć
def jest_parzysta(liczba): def jest_parzysta(liczba):
return liczba % 2 == 0 return liczba % 2 == 0
......
dzien9/iter_gen/emp0_test_odczytu.py 0 → 100644
from employees import read_csv
emps = read_csv('emps.csv')
for emp in emps:
print(emp)
dzien9/iter_gen/emp5_grupowanie.py 0 → 100644
from collections import defaultdict
from employees import read_csv
emps = read_csv('emps.csv')
slownik = defaultdict(lambda: [0, 0])
for emp in emps:
slownik[emp.job_title][0] += 1
slownik[emp.job_title][1] += emp.salary
print(slownik)
print()
for job, (ilosc, suma) in slownik.items():
srednia = suma / ilosc
print(f'| {job:32} | {ilosc:2} | {srednia:8.2f} |')
dzien9/iter_gen/employees.py 0 → 100644
from collections import namedtuple
nazwy_kolumn = ('employee_id', 'first_name', 'last_name', 'job_title', 'salary', 'hire_date',
'department_name', 'address', 'postal_code', 'city', 'country')
Employee = namedtuple('Employee', nazwy_kolumn)
# Funkcja zwraca generator, za pomocą którego można czytać wszystkie rekordy z pliku,
# ale nie są one na raz wczytywane do pamięci, więc pliki mogą być bardzo duże.
def read_csv(path):
with open(path, mode='r', encoding='utf-8') as file:
file.readline()
for line in file:
t = line.strip().split(';')
yield Employee(int(t[0]), t[1], t[2], t[3], int(t[4]), *t[5:])
dzien9/iter_gen/emps.csv 0 → 100644
employee_id;first_name;last_name;job_title;salary;hire_date;department_name;address;postal_code;city;country
100;Steven;King;President;24000;1997-06-17;Executive;2004 Charade Rd;98199;Seattle;United States of America
101;Neena;Kochhar;Administration Vice President;17000;1999-09-21;Executive;2004 Charade Rd;98199;Seattle;United States of America
102;Lex;De Haan;Administration Vice President;17000;2003-01-13;Executive;2004 Charade Rd;98199;Seattle;United States of America
103;Alexander;Hunold;Programmer;9000;2000-01-03;IT;2014 Jabberwocky Rd;26192;Southlake;United States of America
104;Bruce;Ernst;Programmer;6000;2001-05-21;IT;2014 Jabberwocky Rd;26192;Southlake;United States of America
105;David;Austin;Programmer;4800;2007-06-25;IT;2014 Jabberwocky Rd;26192;Southlake;United States of America
106;Valli;Pataballa;Programmer;4800;2008-02-05;IT;2014 Jabberwocky Rd;26192;Southlake;United States of America
107;Diana;Lorentz;Programmer;4200;2009-02-07;IT;2014 Jabberwocky Rd;26192;Southlake;United States of America
108;Nancy;Greenberg;Finance Manager;12000;2004-08-17;Finance;2004 Charade Rd;98199;Seattle;United States of America
109;Daniel;Faviet;Accountant;9000;2004-08-16;Finance;2004 Charade Rd;98199;Seattle;United States of America
110;John;Chen;Accountant;8200;2007-09-28;Finance;2004 Charade Rd;98199;Seattle;United States of America
111;Ismael;Sciarra;Accountant;7700;2007-09-30;Finance;2004 Charade Rd;98199;Seattle;United States of America
112;Jose Manuel;Urman;Accountant;7800;1998-03-07;Finance;2004 Charade Rd;98199;Seattle;United States of America
113;Luis;Popp;Accountant;6900;2009-12-07;Finance;2004 Charade Rd;98199;Seattle;United States of America
114;Den;Raphaely;Purchasing Manager;11000;2004-12-07;Purchasing;2004 Charade Rd;98199;Seattle;United States of America
115;Alexander;Khoo;Purchasing Clerk;3100;2005-05-18;Purchasing;2004 Charade Rd;98199;Seattle;United States of America
116;Shelli;Baida;Purchasing Clerk;2900;2007-12-24;Purchasing;2004 Charade Rd;98199;Seattle;United States of America
117;Sigal;Tobias;Purchasing Clerk;2800;2007-07-24;Purchasing;2004 Charade Rd;98199;Seattle;United States of America
118;Guy;Himuro;Purchasing Clerk;2600;2008-11-15;Purchasing;2004 Charade Rd;98199;Seattle;United States of America
119;Karen;Colmenares;Purchasing Clerk;2500;2009-08-10;Purchasing;2004 Charade Rd;98199;Seattle;United States of America
120;Matthew;Weiss;Stock Manager;8000;2006-07-18;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
121;Adam;Fripp;Stock Manager;8200;2007-04-10;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
122;Payam;Kaufling;Stock Manager;7900;2005-05-01;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
123;Shanta;Vollman;Stock Manager;6500;2007-10-10;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
124;Kevin;Mourgos;Stock Manager;5800;2009-11-16;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
125;Julia;Nayer;Stock Clerk;3200;2007-07-16;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
126;Irene;Mikkilineni;Stock Clerk;2700;2008-09-28;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
127;James;Landry;Stock Clerk;2400;2009-01-14;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
128;Steven;Markle;Stock Clerk;2200;2010-03-08;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
129;Laura;Bissot;Stock Clerk;3300;2007-08-20;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
130;Mozhe;Atkinson;Stock Clerk;2800;2007-10-30;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
131;James;Marlow;Stock Clerk;2500;2007-02-16;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
132;TJ;Olson;Stock Clerk;2100;2009-04-10;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
133;Jason;Mallin;Stock Clerk;3300;2006-06-14;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
134;Michael;Rogers;Stock Clerk;2900;2008-08-26;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
135;Ki;Gee;Stock Clerk;2400;2009-12-12;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
136;Hazel;Philtanker;Stock Clerk;2200;2011-02-06;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
137;Renske;Ladwig;Stock Clerk;3600;2005-07-14;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
138;Stephen;Stiles;Stock Clerk;3200;2007-10-26;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
139;John;Seo;Stock Clerk;2700;2008-02-12;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
140;Joshua;Patel;Stock Clerk;2500;2008-04-06;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
141;Trenna;Rajs;Stock Clerk;3500;2005-10-17;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
142;Curtis;Davies;Stock Clerk;3100;2007-01-29;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
143;Randall;Matos;Stock Clerk;2600;2008-03-15;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
144;Peter;Vargas;Stock Clerk;2500;2008-07-09;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
145;John;Russell;Sales Manager;14000;2006-10-01;Sales;Magdalen Centre, The Oxford Science Park;OX9 9ZB;Oxford;United Kingdom
146;Karen;Partners;Sales Manager;13500;2007-01-05;Sales;Magdalen Centre, The Oxford Science Park;OX9 9ZB;Oxford;United Kingdom
147;Alberto;Errazuriz;Sales Manager;12000;2007-03-10;Sales;Magdalen Centre, The Oxford Science Park;OX9 9ZB;Oxford;United Kingdom
148;Gerald;Cambrault;Sales Manager;11000;2009-10-15;Sales;Magdalen Centre, The Oxford Science Park;OX9 9ZB;Oxford;United Kingdom
149;Eleni;Zlotkey;Sales Manager;10500;2000-01-29;Sales;Magdalen Centre, The Oxford Science Park;OX9 9ZB;Oxford;United Kingdom
150;Peter;Tucker;Sales Representative;10000;2007-01-30;Sales;Magdalen Centre, The Oxford Science Park;OX9 9ZB;Oxford;United Kingdom
151;David;Bernstein;Sales Representative;9500;2007-03-24;Sales;Magdalen Centre, The Oxford Science Park;OX9 9ZB;Oxford;United Kingdom
152;Peter;Hall;Sales Representative;9000;2007-08-20;Sales;Magdalen Centre, The Oxford Science Park;OX9 9ZB;Oxford;United Kingdom
153;Christopher;Olsen;Sales Representative;8000;2008-03-30;Sales;Magdalen Centre, The Oxford Science Park;OX9 9ZB;Oxford;United Kingdom
154;Nanette;Cambrault;Sales Representative;7500;2008-12-09;Sales;Magdalen Centre, The Oxford Science Park;OX9 9ZB;Oxford;United Kingdom
155;Oliver;Tuvault;Sales Representative;7000;2009-11-23;Sales;Magdalen Centre, The Oxford Science Park;OX9 9ZB;Oxford;United Kingdom
156;Janette;King;Sales Representative;10000;2006-01-30;Sales;Magdalen Centre, The Oxford Science Park;OX9 9ZB;Oxford;United Kingdom
157;Patrick;Sully;Sales Representative;9500;2006-03-04;Sales;Magdalen Centre, The Oxford Science Park;OX9 9ZB;Oxford;United Kingdom
158;Allan;McEwen;Sales Representative;9000;2006-08-01;Sales;Magdalen Centre, The Oxford Science Park;OX9 9ZB;Oxford;United Kingdom
159;Lindsey;Smith;Sales Representative;8000;2007-03-10;Sales;Magdalen Centre, The Oxford Science Park;OX9 9ZB;Oxford;United Kingdom
160;Louise;Doran;Sales Representative;7500;2007-12-15;Sales;Magdalen Centre, The Oxford Science Park;OX9 9ZB;Oxford;United Kingdom
161;Sarath;Sewall;Sales Representative;7000;2008-11-03;Sales;Magdalen Centre, The Oxford Science Park;OX9 9ZB;Oxford;United Kingdom
162;Clara;Vishney;Sales Representative;10500;2007-11-11;Sales;Magdalen Centre, The Oxford Science Park;OX9 9ZB;Oxford;United Kingdom
163;Danielle;Greene;Sales Representative;9500;2009-03-19;Sales;Magdalen Centre, The Oxford Science Park;OX9 9ZB;Oxford;United Kingdom
164;Mattea;Marvins;Sales Representative;7200;2010-01-24;Sales;Magdalen Centre, The Oxford Science Park;OX9 9ZB;Oxford;United Kingdom
165;David;Lee;Sales Representative;6800;2000-02-23;Sales;Magdalen Centre, The Oxford Science Park;OX9 9ZB;Oxford;United Kingdom
166;Sundar;Ande;Sales Representative;6400;2000-03-24;Sales;Magdalen Centre, The Oxford Science Park;OX9 9ZB;Oxford;United Kingdom
167;Amit;Banda;Sales Representative;6200;2000-04-21;Sales;Magdalen Centre, The Oxford Science Park;OX9 9ZB;Oxford;United Kingdom
168;Lisa;Ozer;Sales Representative;11500;2007-03-11;Sales;Magdalen Centre, The Oxford Science Park;OX9 9ZB;Oxford;United Kingdom
169;Harrison;Bloom;Sales Representative;10000;2008-03-23;Sales;Magdalen Centre, The Oxford Science Park;OX9 9ZB;Oxford;United Kingdom
170;Tayler;Fox;Sales Representative;9600;2008-01-24;Sales;Magdalen Centre, The Oxford Science Park;OX9 9ZB;Oxford;United Kingdom
171;William;Smith;Sales Representative;7400;2009-02-23;Sales;Magdalen Centre, The Oxford Science Park;OX9 9ZB;Oxford;United Kingdom
172;Elizabeth;Bates;Sales Representative;7300;2009-03-24;Sales;Magdalen Centre, The Oxford Science Park;OX9 9ZB;Oxford;United Kingdom
173;Sundita;Kumar;Sales Representative;6100;2010-04-21;Sales;Magdalen Centre, The Oxford Science Park;OX9 9ZB;Oxford;United Kingdom
174;Ellen;Abel;Sales Representative;11000;2006-05-11;Sales;Magdalen Centre, The Oxford Science Park;OX9 9ZB;Oxford;United Kingdom
175;Alyssa;Hutton;Sales Representative;8800;2007-03-19;Sales;Magdalen Centre, The Oxford Science Park;OX9 9ZB;Oxford;United Kingdom
176;Jonathon;Taylor;Sales Representative;8600;2008-03-24;Sales;Magdalen Centre, The Oxford Science Park;OX9 9ZB;Oxford;United Kingdom
177;Jack;Livingston;Sales Representative;8400;2008-04-23;Sales;Magdalen Centre, The Oxford Science Park;OX9 9ZB;Oxford;United Kingdom
178;Kimberely;Grant;Sales Representative;7000;2009-05-24;;;;;
179;Charles;Johnson;Sales Representative;6200;2011-01-04;Sales;Magdalen Centre, The Oxford Science Park;OX9 9ZB;Oxford;United Kingdom
180;Winston;Taylor;Shipping Clerk;3200;2008-01-24;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
181;Jean;Fleaur;Shipping Clerk;3100;2008-02-23;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
182;Martha;Sullivan;Shipping Clerk;2500;2009-06-21;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
183;Girard;Geoni;Shipping Clerk;2800;2000-02-03;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
184;Nandita;Sarchand;Shipping Clerk;4200;2006-01-27;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
185;Alexis;Bull;Shipping Clerk;4100;2007-02-20;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
186;Julia;Dellinger;Shipping Clerk;3400;2008-06-24;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
187;Anthony;Cabrio;Shipping Clerk;3000;2009-02-07;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
188;Kelly;Chung;Shipping Clerk;3800;2007-06-14;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
189;Jennifer;Dilly;Shipping Clerk;3600;2007-08-13;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
190;Timothy;Gates;Shipping Clerk;2900;2008-07-11;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
191;Randall;Perkins;Shipping Clerk;2500;2009-12-19;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
192;Sarah;Bell;Shipping Clerk;4000;2006-02-04;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
193;Britney;Everett;Shipping Clerk;3900;2007-03-03;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
194;Samuel;McCain;Shipping Clerk;3200;2008-07-01;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
195;Vance;Jones;Shipping Clerk;2800;2009-03-17;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
196;Alana;Walsh;Shipping Clerk;3100;2008-04-24;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
197;Kevin;Feeney;Shipping Clerk;3000;2008-05-23;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
198;Donald;OConnell;Shipping Clerk;2600;2009-06-21;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
199;Douglas;Grant;Shipping Clerk;2600;2010-01-13;Shipping;2011 Interiors Blvd;99236;South San Francisco;United States of America
200;Jennifer;Whalen;Administration Assistant;4400;1987-09-17;Administration;2004 Charade Rd;98199;Seattle;United States of America
201;Michael;Hartstein;Marketing Manager;13000;2006-02-17;Marketing;147 Spadina Ave;M5V 2L7;Toronto;Canada
202;Pat;Fay;Marketing Representative;6000;2007-08-17;Marketing;147 Spadina Ave;M5V 2L7;Toronto;Canada
203;Susan;Mavris;Human Resources Representative;6500;2004-06-07;Human Resources;8204 Arthur St;;London;United Kingdom
204;Hermann;Baer;Public Relations Representative;10000;2004-06-07;Public Relations;Schwanthalerstr. 7031;80925;Munich;Germany
205;Shelley;Higgins;Accounting Manager;12000;2004-06-07;Accounting;2004 Charade Rd;98199;Seattle;United States of America
206;William;Gietz;Public Accountant;8300;2004-06-07;Accounting;2004 Charade Rd;98199;Seattle;United States of America
dzien9/iter_gen/gen1.py
...@@ -7,6 +7,7 @@ def abc(): ...@@ -7,6 +7,7 @@ def abc():
yield 'Celina' yield 'Celina'
print(abc)
generator = abc() generator = abc()
print(generator) print(generator)
# Generator jest iterowalny i najczęściej korzysta z niego porzez pętlę for # Generator jest iterowalny i najczęściej korzysta z niego porzez pętlę for
......
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