paul@292 | 1 | s = "Hello" |
paul@292 | 2 | s += " world!" |
paul@292 | 3 | print s # Hello world! |
paul@378 | 4 | print len(s) # 12 |
paul@384 | 5 | print s[:5] # Hello |
paul@384 | 6 | print s[5:] # world! |
paul@384 | 7 | print s[1:10:2] # el ol |
paul@384 | 8 | print s[10:1:-2] # drwol |
paul@416 | 9 | print s.find("w") # 6 |
paul@416 | 10 | print s.find("w", 7) # -1 |
paul@416 | 11 | print s.find("w", 0, 6) # -1 |
paul@416 | 12 | print s.index("o") # 4 |
paul@515 | 13 | print s.rfind("o") # 7 |
paul@515 | 14 | print s.rfind("o", 7) # 7 |
paul@515 | 15 | print s.rfind("o", 8) # -1 |
paul@515 | 16 | print s.rfind("o", 0, 7) # 4 |
paul@416 | 17 | |
paul@416 | 18 | try: |
paul@416 | 19 | print s.index("p") # should raise an exception |
paul@416 | 20 | except ValueError, exc: |
paul@416 | 21 | print 's.index("p"): value is not appropriate', exc.value |
paul@416 | 22 | |
paul@416 | 23 | print s.startswith("Hello") # True |
paul@416 | 24 | print s.startswith("world") # False |
paul@416 | 25 | print s.endswith("world!") # True |
paul@416 | 26 | print s.endswith("Hello") # False |
paul@292 | 27 | |
paul@292 | 28 | s2 = "Hello worlds!" |
paul@292 | 29 | print s2 # Hello worlds! |
paul@378 | 30 | print len(s2) # 13 |
paul@292 | 31 | print s < s2 # True |
paul@292 | 32 | print s <= s2 # True |
paul@292 | 33 | print s == s2 # False |
paul@292 | 34 | print s != s2 # True |
paul@292 | 35 | print s >= s2 # False |
paul@292 | 36 | print s > s2 # False |
paul@292 | 37 | |
paul@292 | 38 | print s[0] # H |
paul@292 | 39 | print s[-1] # ! |
paul@296 | 40 | |
paul@296 | 41 | print ord(s[0]) # 72 |
paul@296 | 42 | |
paul@296 | 43 | try: |
paul@296 | 44 | print ord(s) # should raise an exception |
paul@296 | 45 | except ValueError, exc: |
paul@296 | 46 | print "ord(s): value is not appropriate", exc.value |
paul@300 | 47 | |
paul@342 | 48 | l = ["Hello", "world!"] |
paul@342 | 49 | s3 = " ".join(l) |
paul@342 | 50 | print s3 # Hello world! |
paul@378 | 51 | print len(s3) # 12 |
paul@342 | 52 | |
paul@342 | 53 | s4 = "".join(l) |
paul@342 | 54 | print s4 # Helloworld! |
paul@378 | 55 | print len(s4) # 11 |
paul@378 | 56 | |
paul@378 | 57 | s5 = "--".join(l) |
paul@378 | 58 | print s5 # Hello--world! |
paul@378 | 59 | print len(s5) # 13 |
paul@342 | 60 | |
paul@494 | 61 | print "# hash(s):", |
paul@300 | 62 | print hash(s) |
paul@494 | 63 | print "# hash(s2):", |
paul@342 | 64 | print hash(s2) |
paul@494 | 65 | print "# hash(s3):", |
paul@342 | 66 | print hash(s3) |
paul@494 | 67 | print "# hash(s4):", |
paul@342 | 68 | print hash(s4) |
paul@494 | 69 | print "# hash(s5):", |
paul@378 | 70 | print hash(s5) |
paul@514 | 71 | |
paul@514 | 72 | # Test multiplication of strings. |
paul@514 | 73 | |
paul@514 | 74 | s6 = "abc" |
paul@514 | 75 | print s6 * -1 # |
paul@514 | 76 | print s6 * 0 # |
paul@514 | 77 | print s6 * 1 # abc |
paul@514 | 78 | print s6 * 2 # abcabc |
paul@514 | 79 | print -1 * s6 # |
paul@514 | 80 | print 0 * s6 # |
paul@514 | 81 | print 1 * s6 # abc |
paul@514 | 82 | print 2 * s6 # abcabc |
paul@515 | 83 | |
paul@515 | 84 | # Test splitting of strings. |
paul@515 | 85 | |
paul@515 | 86 | s7 = "Hello...\n world,\n planet,\n globe." |
paul@515 | 87 | print s7.split() # ["Hello...", "world,", "planet,", "globe."] |
paul@515 | 88 | print s7.split(maxsplit=2) # ["Hello...", "world,", "planet,\n globe."] |
paul@515 | 89 | print s7.split("\n") # ["Hello...", " world,", " planet,", " globe."] |
paul@517 | 90 | |
paul@517 | 91 | # NOTE: To test rsplit once list.insert is implemented. |
paul@517 | 92 | |
paul@517 | 93 | # Test stripping of strings. |
paul@517 | 94 | |
paul@517 | 95 | s8 = " \nHello world\n " |
paul@517 | 96 | print repr(s8.strip()) # "Hello world" |
paul@517 | 97 | print repr(s8.lstrip()) # "Hello world\n " |
paul@517 | 98 | print repr(s8.rstrip()) # " \nHello world" |
paul@517 | 99 | |
paul@517 | 100 | s9 = "xyzHello worldXYZ" |
paul@517 | 101 | print repr(s9.strip("xyYZ")) # "zHello worldX" |
paul@517 | 102 | print repr(s9.lstrip("xyYZ")) # "zHello worldXYZ" |
paul@517 | 103 | print repr(s9.rstrip("xyYZ")) # "xyzHello worldX" |