还没看完..这目前是前35习题的。
1 ''' 2 print("Hello World!") 3 print("Hello Again") 4 5 print("I like typing this.") 6 print("This is fun.") 7 print("Yay!Printing") 8 print("I'd much rather you 'not'") 9 print('I "said" do not touch this') 10 ''' 11 ''' 12 print("I will now count my chickens:") 13 print("Hens",25+30/6) 14 print("Roosters",100.0-25*3%4) 15 16 print("Now I will count the eggs:") 17 print("3+2+1-5+4%2-1/4+6") 18 print("Is it true that 3+2<5-7?") 19 20 print(3+2<5-7) 21 22 print("What is 3+2?",3+2) 23 print("What is 5-7?",5-7) 24 25 print("Oh,that's why it's False.") 26 print("How about some more.") 27 28 print("Is it greater?",5>-2) 29 print("Is it greater or equal?",5>=-2) 30 print("Is it less or equal?",5<=-2) 31 ''' 32 ''' 33 测试 34 #coding=utf-8 35 ''' 36 ''' 37 cars=100 38 space_in_a_car=4 39 drivers=30 40 passengers=90 41 cars_not_driven=cars-drivers 42 cars_driven=drivers 43 carpool_capacity=cars_driven*space_in_a_car 44 average_passengers_per_car=passengers/cars_driven 45 46 print("There are",cars,"cars available.") 47 print("There are only",drivers,"drivers are available.") 48 print("There will be",cars_not_driven,"empty cars today.") 49 print("We can transport",carpool_capacity,"people today.") 50 print("We have",passengers,"to carpool today.") 51 print("We need to put about",average_passengers_per_car,"in each car.") 52 ''' 53 ''' 54 my_name = 'Zed A. Shaw' 55 my_age = 35 #not a lie [my_name] 56 my_height = 74 #inches 57 my_weight = 180 #lbs 58 my_eyes = 'Blue' 59 my_teeth = 'White' 60 my_hair = 'Brown' 61 62 print(f"Let's talk about {my_name}.") 63 print(f"He's {my_height} inches tall.") 64 print(f"He's {my_weight} pounds heavy.") 65 print("Actually that's not too heavy.") 66 print(f"He's got {my_eyes} eyes and {my_hair} hair.") 67 print(f"Gis teeth are usually {my_teeth} depending on the coffee.") 68 69 #This line is tricky,try to get it exact 70 total = my_age+my_height+my_weight 71 print(f"If I add {my_age},{my_height} and {my_weight} I get {total} .") 72 ''' 73 #如何将浮点数四舍五入 round(number) 74 ''' 75 a = 1.99 76 print(f"1.99 is {a},四舍五入为{round(a)}") 77 ''' 78 ''' 79 types_of_people = 10 80 x= f"There are {types_of_people} types of people." 81 82 binary = "binary" 83 do_not = "don't" 84 y = f"Those who know {binary} and those who {do_not} ." 85 86 print(x) 87 print(y) 88 print(f"I said {x}") 89 print(f"I also said {y}") 90 91 hilarious = True 92 joke_evaluation = "Isn't that joke so funny?! {}" 93 94 print(joke_evaluation.format(hilarious)) 95 96 w = "This is the left side of ..." 97 e = "a string with a right side." 98 99 print(w+e) 100 ''' 101 ''' 102 print("Mary had a little lamb ") 103 print("Its fleece was white as {}.".format('snow')) 104 print("And everywhere that Mary went.") 105 print("." * 10) #What'd that do? 106 107 end1 = "C" 108 end2 = "h" 109 end3 = "e" 110 end4 = "e" 111 end5 = "s" 112 end6 = "e" 113 end7 = "B" 114 end8 = "u" 115 end9 = "r" 116 end10 = "g" 117 end11 = "e" 118 end12 = "r" 119 120 #Watch that comma at the end .try removing it to see what happens 121 print(end1 + end2 + end3 + end4 + end5 + end6,end = ' ') 122 print(end7 + end8 + end9 + end10 + end11 + end12) 123 ''' 124 ''' 125 formatter = "{} {} {} {}" 126 print(formatter.format(1,2,3,4)) 127 print(formatter.format("one","two","three","four")) 128 print(formatter.format(True,False,False,True)) 129 print(formatter.format(formatter,formatter,formatter,formatter)) 130 print(formatter.format( 131 "Try your", 132 "Own text here", 133 "Maybe a poem", 134 "Or a song about fear" 135 )) 136 ''' 137 ''' 138 #Here's some new strange stuff,remember type it exactly. 139 140 days = "Mon Tue Wed Thu Fri Sat Sun" 141 months = "Jan\nFeb\nMar\nApr\nMay\nJun\nJul\nAug" 142 143 print("Here are the days: ",days) 144 print("Here are the months: ",months) 145 146 print(""" 147 There's something going on here. 148 with the three double-quotes. 149 We'll be able to type as much as we like. 150 Even 4 lines if we want, or 5, or 6. 151 """) 152 ''' 153 ''' 154 tabby_cat = "\tI'm tabbed in." 155 persian_cat = "I'm split\non a line." 156 backslash_cat = "I'm \\ a \\ cat." 157 158 fat_cat = """ 159 I'll do a list: 160 \t* Cat food 161 \t* Fishies 162 \t* Catnip\n\t* Grass 163 """ 164 165 print(tabby_cat) 166 print(persian_cat) 167 print(backslash_cat) 168 print(fat_cat) 169 ''' 170 ''' 171 #print("How old are you?",end=' ') 172 age = input("How old are you?") 173 #print("How tall are you?",end=' ') 174 height = input("How tall are you?") 175 #print("How much do you weigh?",end=' ') 176 weight = input("How much do you weigh?") 177 178 #age = age*6 179 print(f"So you're {age} old,{height} tall,{weight} heavy") 180 ''' 181 ''' 182 from sys import argv 183 script,first,second,third = argv 184 185 print("The script is called:",script) 186 print("The first variable is:",first) 187 print("Your second variable is:",second) 188 print("Your third variable is:",third) 189 ''' 190 ''' 191 from sys import argv 192 193 script,user_name = argv 194 prompt = '>' 195 196 print(f"Hi {user_name},I'm the {script} script.") 197 print("I'd like to ask you a few questions.") 198 print(f"Do you like me {user_name}?") 199 likes = input(prompt) 200 201 print(f"Where do you live {user_name}?") 202 lives = input(prompt) 203 204 print("What kind of computer do you have?") 205 computer = input(prompt) 206 207 print(f""" 208 Alright,so you said {likes} about liking me. 209 You live in {lives}.Not sure where that is. 210 And you have a {computer} computer.Nice. 211 """) 212 ''' 213 ''' 214 from sys import argv 215 216 script,filename = argv 217 218 txt = open(filename) 219 220 print(f"Here's your file {filename}:") 221 print(txt.read()) 222 223 print("Type the filename again:") 224 file_again = input("> ") 225 226 txt_again = open(file_again) 227 228 print(txt_again.read()) 229 txt.close() 230 txt_again.close() 231 ''' 232 ''' 233 from sys import argv 234 235 script,filename = argv 236 237 print(f"We're going to erase {filename}.") 238 print("If you don't want that,hit CTRL-C (^C).") 239 print("If you do want that,hit RETURN.") 240 241 input("?") 242 243 print("Opening the file...") 244 target = open(filename,'w') 245 246 print("Truncating the file.Goodbye!") 247 target.truncate() 248 249 print("Now I'm going to ask you for three details") 250 line1 = input("line 1: ") 251 line2 = input("line 2: ") 252 line3 = input("line 3: ") 253 254 print("I'm going to write these to the file.") 255 256 target.write(line1) 257 target.write("\n") 258 target.write(line2) 259 target.write("\n") 260 target.write(line3) 261 target.write("\n") 262 263 print("And finally,we close it.") 264 target.close() 265 266 target = open(filename,'r') 267 print(target.read()) 268 print("That's all.") 269 ''' 270 ''' 271 from sys import argv 272 from os.path import exists 273 274 script,from_file,to_file = argv 275 276 print(f"Copying from {from_file} to {to_file}") 277 in_file = open(from_file) 278 indata = in_file.read() 279 280 print(f"The input file is {len(indata)} bytes long") 281 print(f"Does the output file exist?{exists(to_file)}") 282 print("Ready,hit RETURN to continue,CTRL-C to abort.") 283 input() 284 285 out_file =open(to_file,'w') 286 out_file.write(indata) 287 288 print("Alright,all done.") 289 290 out_file.close() 291 in_file.close() 292 ''' 293 ''' 294 #18-------------------------------- 295 def print_two(*args): 296 arg1,arg2 = args 297 print(f"arg1:{arg1},arg2:{arg2}") 298 299 def print_two_again(arg1,arg2): 300 print(f"arg1:{arg1},arg2:{arg2}") 301 302 def print_one(arg1): 303 print(f"arg1:{arg1}") 304 305 def print_none(): 306 print("I got nothin'.") 307 308 print_two("Zed","Shaw") 309 print_two_again("Zed","Shaw") 310 print_one("First!") 311 print_none() 312 #19-------------------------------- 313 ''' 314 ''' 315 def cheese_and_crackers(cheese_count,boxes_of_crackers): 316 print(f"You have {cheese_count} cheese.") 317 print(f"You have {boxes_of_crackers} boxes of crackers.") 318 print("Man that's enough for a party.") 319 print("Get a blanket.\n") 320 321 print("We can just give the function numbers directly:") 322 cheese_and_crackers(20,30) 323 324 print("OR,we can use variables from our script:") 325 amount_of_cheese = 10 326 amount_of_crackers = 50 327 328 cheese_and_crackers(amount_of_cheese,amount_of_crackers) 329 330 print("We can even do math inside too:") 331 cheese_and_crackers(10+20,5+6) 332 333 print("And we can combine the two,variables and math:") 334 cheese_and_crackers(amount_of_cheese+100,amount_of_crackers+1000) 335 ''' 336 ''' 337 #20-------------------------------- 338 from sys import argv 339 340 script,input_file = argv 341 342 def print_all(f): 343 print(f.read()) 344 def rewind(f): 345 f.seek(0) 346 def print_a_line(line_count,f): 347 print(line_count,f.readline()) 348 349 current_file = open(input_file) 350 print("First let's print the whole file :\n") 351 print_all(current_file) 352 print("Now let's rewind,kind of like a tape.") 353 rewind(current_file) 354 355 print("Let's print three lines:") 356 357 current_line = 1 358 print_a_line(current_line,current_file) 359 360 current_line = current_line + 1 361 print_a_line(current_line,current_file) 362 363 current_line = current_line + 1 364 print_a_line(current_line,current_file) 365 ''' 366 ''' 367 #21-------------------------------- 368 def add(a,b): 369 print(f"ADDING {a} + {b}") 370 return a+b 371 372 def subtract(a,b): 373 print(f"SUBTRACTING {a} - {b}") 374 return a-b 375 376 def multiply(a,b): 377 print(f"MULTIPLYING {a} * {b}") 378 return a*b 379 380 def divide(a,b): 381 print(f"DIVIDING {a} / {b}") 382 return a/b 383 384 print("Let's do some math with just functions!") 385 386 age = add(30,5) 387 height = subtract(78,4) 388 weight = multiply(90,2) 389 iq = divide(100,2) 390 391 print(f"Age:{age},Height:{height},Weight:{weight},IQ:{iq}") 392 393 #A puzzle for the extra credit,type it in anyway 394 print("Here is a puzzle.") 395 what = add(age,subtract(height,multiply(weight,divide(iq,2)))) 396 print("That becomes:",what,"Can you do it by hand?")k 397 ''' 398 #23-------------------------------- 399 ''' 400 import sys 401 script,encoding,error = sys.argv 402 403 def main(language_file,encoding,errors): 404 line = language_file.readline() 405 406 if line: 407 print_line(line,encoding,errors) 408 return main(language_file,encoding,errors) 409 410 def print_line(line,encoding,errors): 411 next_lang = line.strip() 412 raw_bytes = next_lang.encode(encoding,errors = errors) 413 cooked_string = raw_bytes.decode(encoding,errors =errors) 414 415 print(raw_bytes,"<===>",cooked_string) 416 417 languages = open("languages.txt",encoding = "utf-8") 418 419 main(languages,encoding,error) 420 ''' 421 ''' 422 print("Let's practice everything.") 423 print('You\'d need to know \'bout escapes with \\ that do:') 424 print('\n new lines and \t tabs.') 425 426 poem = """ 427 \t The lovely World 428 with logic so firmly planted 429 cannot discern \n the needs of lovely 430 nor comprehend passion from intuition 431 and requires an explanation 432 \n\twhere there is none. 433 """ 434 """ 435 print("---------------") 436 print(poem) 437 print("---------------") 438 439 five = 10 - 2 + 3 - 6 440 print(f"This should be five:{five}") 441 442 def secret_formula(started): 443 jelly_beans = started * 500 444 jars = jelly_beans / 1000 445 crates = jars /100 446 return jelly_beans,jars,crates 447 448 start_point = 10000 449 beans,jars,crates = secret_formula(start_point) 450 451 # remember that this is another way to format a cooked_string 452 print("With starting point of :{}".format(start_point)) 453 #it's just like with an f""string 454 print(f"We'd have {beans} beans,{jars} jars,and {crates} crates.") 455 456 start_point = start_point /10 457 458 print("We can also do that this way:") 459 formula = secret_formula(start_point) 460 #This is an easy way to apply a list to a format string 461 print("We'd have {} beans,{} jars,and {} crates.".format(*formula)) 462 ''' 463 ''' 464 def break_words(stuff): 465 """This function will break up words for us.""" 466 words = stuff.split(' ') 467 return words 468 469 def sort_words(words): 470 """Sorts the words.""" 471 return sorted(words) 472 473 def print_first_word(words): 474 """Prints the first word after popping it off""" 475 word = words.pop(0) 476 print(word) 477 478 def print_last_word(words): 479 """Prints the last word after popping it off.""" 480 word = words.pop(-1) 481 print(word) 482 483 def sort_sentence(sentence): 484 """Takes in a full sentence and returns the sorted words""" 485 words = break_words(sentence) 486 return sort_words(words) 487 488 def print_first_and_last(sentence): 489 """Prints the first and last words of the sentence""" 490 words = break_words(sentence) 491 print_first_word(words) 492 print_last_word(words) 493 494 def print_first_and_last_sorted(sentence): 495 """Sorts the words then prints the first and last one.""" 496 words = sort_sentence(sentence) 497 print_first_word(words) 498 print_last_word(words) 499 ''' 500 ''' 501 print("How old are you?", end=' ') 502 age = input() 503 print("How tall are you?", end=' ') 504 height = input() 505 print("How much do you weigh?", end=' ') 506 weight = input() 507 508 print(f"So, you're {age} old, {height} tall and {weight} heavy.") 509 ''' 510 ''' 511 from sys import argv 512 script, filename = argv 513 514 txt = open(filename) 515 516 print("Here's your file {filename}:") 517 print(txt.read()) 518 519 print("Type the filename again:") 520 file_again = input("> ") 521 txt_again = open(file_again) 522 print(txt_again.read()) 523 ''' 524 ''' 525 print("Let\'s practice everything.") 526 print('You\'d need to know \'bout escapes with \\ that do \n newlines and \t tabs.') 527 528 poem = """ 529 \tThe lovely world 530 with logic so firmly planted 531 cannot discern \n the needs of love 532 nor comprehend passion from intuition 533 and requires an explanation 534 \n\t\twhere there is none. 535 """ 536 537 print("--------------") 538 print(poem) 539 print("--------------") 540 541 542 five = 10 - 2 + 3 - 6 543 print(f"This should be five: {five}") 544 545 def secret_formula(started): 546 jelly_beans = started * 500 547 jars = jelly_beans / 1000 548 crates = jars / 100 549 return jelly_beans, jars, crates 550 551 552 start_point = 10000 553 beans, jars,crates = secret_formula(start_point) 554 555 # remember that this is another way to format a string 556 print("With a starting point of: {}".format(start_point)) 557 # it's just like with an f"" string 558 print(f"We'd have {beans} beans, {jars} jars, and {crates} crates.") 559 560 start_point = start_point / 10 561 562 print("We can also do that this way:") 563 formula = secret_formula(start_point) 564 # this is an easy way to apply a list to a format string 565 print("We'd have {} beans, {} jars, and {} crates.".format(*formula)) 566 567 people = 20 568 cats = 30 569 dogs = 15 570 571 if people < cats: 572 print ("Too many cats! The world is doomed!") 573 574 if people < cats: 575 print("Not many cats! The world is saved!") 576 577 if people < dogs: 578 print("The world is drooled on!") 579 580 if people > dogs: 581 print("The world is dry!") 582 583 584 dogs += 5 585 586 if people >= dogs: 587 print("People are greater than or equal to dogs.") 588 589 if people <= dogs: 590 print("People are less than or equal to dogs.") 591 592 593 if people == dogs: 594 print("People are dogs.") 595 ''' 596 ''' 597 people = 20 598 cats = 30 599 dogs = 15 600 601 if people < cats: 602 print("Too many cats!The world is doomed!") 603 if people > cats: 604 print("Not many cats!The world is saved!") 605 if people < dogs: 606 print("The world is drooled on!") 607 if people > dogs: 608 print("The world is dry!") 609 610 dogs += 5 611 if people >= dogs: 612 print("People are greater than or equal to dogs.") 613 if people <= dogs: 614 print("People are less than or equal to dogs.") 615 616 if people == dogs: 617 print("People are dogs.") 618 ''' 619 ''' 620 people = 15 621 cars = 40 622 trucks = 15 623 624 if cars> people: 625 print("We should take the cars.") 626 elif cars<people: 627 print("We should not take the cars.") 628 else: 629 print("We can't decide.") 630 631 if trucks > cars: 632 print("That's too many trucks.") 633 elif trucks < cars: 634 print("Maybe we could take the trucks.") 635 else: 636 print("We still can't decide.") 637 638 if people > trucks or people == trucks: 639 print("Alright,let's just take the trucks.") 640 else: 641 print("Fine, let's stay home then.") 642 ''' 643 ''' 644 print("""You enter a dark room with two doors. 645 Do you go through door #1 or door #2?""") 646 647 door = input(">") 648 649 if door == "1": 650 print("There's a giant bear here eating a cheese cake.") 651 print("What do you do ?") 652 print("1.Take a cake.") 653 print("2.Scream at the bear.") 654 655 bear = input(">") 656 657 if bear == "1": 658 print("The bear eats your face off.Good job!") 659 elif bear =="2": 660 print("The bear eats your legs off.Good job!") 661 else : 662 print(f"Well doing {bear} is probably better.") 663 print("Bear runs away.") 664 665 666 elif door == "2": 667 print("You stare into the endless abyss at Cthulhu's retina.") 668 print("1.Blueberries.") 669 print("2.Yellow jacket clothespins.") 670 print("3.Understand revovlvers telling melodies.") 671 672 insanity = input(">") 673 674 if insanity == "1" or insanity == "2": 675 print("Your body survives powered by a mind of jello.") 676 print("Good job!") 677 else : 678 print("The insanity rots your eyes into a pool of muck.") 679 print("Good job!") 680 yyh 681 else: 682 print("You stumble around and fall on a knife and die.Good job!") 683 ''' 684 ''' 685 the_count = [1,2,3,4,5] 686 fruits = ['apples','oranges','pears','apricots'] 687 change = [1,'pennies',2,'dimes',3,'quarters'] 688 689 #This first kind of for-loop goes through a list 690 for number in the_count: 691 print(f"This is count {number}") 692 #same as above 693 for fruit in fruits: 694 print(f"A fruit of type :{fruit}") 695 #also we can go through mixed lists too 696 #notice we have to use {} since we don't know what's in it 697 for i in change: 698 print(f"I got {i}") 699 700 #We can also build lists,first start with an empty one 701 elements=[] 702 #then use the range function to do 0 to 5 counts 703 704 for i in fruits: 705 print(f"Adding {i} to the list.") 706 #append is a function that lists Understand 707 elements.append(i) 708 709 #now we can print them too 710 711 for i in elements: 712 print(f"elements was :{i}") 713 ''' 714 ''' 715 i=0 716 numbers = [] 717 k=9 718 719 while i<k: 720 print(f"At the top is {i}") 721 numbers.append(i) 722 723 i=i+2 724 print("numbers now :",numbers) 725 print(f"At the bottom i is {i}") 726 727 print("The numbers: ") 728 for num in numbers: 729 print(num) 730 731 732 animals = ['bear','tiger','penguin','zebra'] 733 bear = animals[0] 734 i=0 735 736 for animal in animals: 737 print(f"在位置{i}上的是第{i+1}只动物，是一只{animal}。") 738 i=i+1 739 740 741 from sys import exit 742 743 def gold_room(): 744 print("This room is full of gold. How much do you take?") 745 746 choice = input("> ") 747 if "0" in choice or "1" in choice: 748 how_nuch = int (choice) 749 else: 750 dead("Man,learn to type a number.") 751 752 if how_nuch < 50: 753 print("Nice,you're not greedy,you win!") 754 exit(0) 755 else: 756 dead("You greedy bastard!") 757 758 def bear_room(): 759 print("There is a bear here.") 760 print("The bear has a bunch of honey.") 761 print("The fat bear is in front of another door.") 762 print("How are you going to move the bear?") 763 bear_moved = False 764 765 while True: 766 choice = input("> ") 767 if choice == "take honey": 768 dead("The bear looks at you then slaps your face off.") 769 elif choice == "taunt bear" and not bear_moved: 770 print("The bear has moved from the door.") 771 print("You can go through it now.") 772 bear_moved = True 773 elif choice == "taunt bear" and bear_moved: 774 dead("The bear gets pissed off and chews your leg off.") 775 elif choice == "open door" and bear_moved: 776 gold_room() 777 else: 778 print("I got no idea what that means.") 779 780 def cthulhu_room(): 781 print("Here you see the great evil Cthulhu.") 782 print("He , it, whatever stares at you and you go insane.") 783 print("Do you flee for your life or eat your head.") 784 785 choice = input("> ") 786 787 if "flee" in choice: 788 start() 789 elif "head" in choice: 790 dead("Well that was tasty!") 791 else: 792 cthulhu_room() 793 794 def dead(why): 795 print(why,"Good job!") 796 exit(0) 797 798 def start(): 799 print("You are in dark room.") 800 print("There is a door to your right to left.") 801 print("Which one do you take?") 802 803 choice = input("> ") 804 805 if choice == "left": 806 bear_room() 807 elif choice == "right": 808 cthulhu_room() 809 else: 810 dead("You stumble around the room until you starve.") 811 812 start() 813 814 815 '''