1: l=[1,2,3]
   2: l.index(2)
1
   3: l.index(1)
0
   4: l.index(5)
   5: d={1:54,765:3}
   6: 766 in d
False
   7: runfile('C:/Users/Angelo/OneDrive - uniroma1.it/pythonFDP2018/conta_elem.py', wdir='C:/Users/Angelo/OneDrive - uniroma1.it/pythonFDP2018')
   8: runfile('C:/Users/Angelo/OneDrive - uniroma1.it/pythonFDP2018/conta_elem.py', wdir='C:/Users/Angelo/OneDrive - uniroma1.it/pythonFDP2018')
   9: runfile('C:/Users/Angelo/OneDrive - uniroma1.it/pythonFDP2018/conta_elem.py', wdir='C:/Users/Angelo/OneDrive - uniroma1.it/pythonFDP2018')
  10: ripetizione_elementi([1,2,2,2,"b","a","a",2.0,2.0,2.0,"casa","casa",2.0])
[(1, 1), (2, 7), ('b', 1), ('a', 2), ('casa', 2)]
  11: runfile('C:/Users/Angelo/OneDrive - uniroma1.it/pythonFDP2018/conta_elem.py', wdir='C:/Users/Angelo/OneDrive - uniroma1.it/pythonFDP2018')
  12: runfile('C:/Users/Angelo/OneDrive - uniroma1.it/pythonFDP2018/conta_elem.py', wdir='C:/Users/Angelo/OneDrive - uniroma1.it/pythonFDP2018')
  13: ripetizione_elementi([1,2,2,2,"b","a","a",2.0,2.0,2.0,"casa","casa",2.0])
[((1, int), 1),
 ((2, int), 3),
 (('b', str), 1),
 (('a', str), 2),
 ((2.0, float), 4),
 (('casa', str), 2)]
  14: runfile('C:/Users/Angelo/OneDrive - uniroma1.it/pythonFDP2018/conta_elem.py', wdir='C:/Users/Angelo/OneDrive - uniroma1.it/pythonFDP2018')
  15: ripetizione_elementi([1,2,2,2,"b","a","a",2.0,2.0,2.0,"casa","casa",2.0])
[(1, 1), (2, 3), ('b', 1), ('a', 2), (2.0, 4), ('casa', 2)]
  16: ripetizione_elementi([1,2,2,2,"b","a","a",2.0,2.0,2.0,"casa","casa",2.0,"2","2"])
[(1, 1), (2, 3), ('b', 1), ('a', 2), (2.0, 4), ('casa', 2), ('2', 2)]
  17: runfile('C:/Users/Angelo/OneDrive - uniroma1.it/pythonFDP2018/conta_elem.py', wdir='C:/Users/Angelo/OneDrive - uniroma1.it/pythonFDP2018')
  18: d={"salve":1, "ciao":3,"hello":4}
  19: d["salve"]
1
  20: d.get("salve")
1
  21: d["salv"]
  22: d.get("salv")
  23: d.get("salv",-1)
-1
  24: from collections import defaultdict
  25: d=defaultdict(0)
  26: d=defaultdict(lambda : 0)
  27: d["asd"]
0
  28: import random
  29: l=[random.randint(0,10000) for i in range (100000)]
  30: len(l)
100000
  31: l[4:10]
[6633, 9603, 9484, 4246, 5149, 9624]
  32: %timeit l.count(5000)
  33: %timeit l[5000]
  34: %timeit l.remove(5000)
  35: %timeit l.pop(5000)
  36: runfile('C:/Users/Angelo/OneDrive - uniroma1.it/pythonFDP2018/conta_elem.py', wdir='C:/Users/Angelo/OneDrive - uniroma1.it/pythonFDP2018')
  37: ripetizione_elementi([1,2,2,2,"b","a","a",2.0,2.0,2.0,"casa","casa",2.0,"2","2"])
[(1, 1), (2, 3), ('b', 1), ('a', 2), (2.0, 4), ('casa', 2), ('2', 2)]
  38: ripetizione_elementi_count([1,2,2,2,"b","a","a",2.0,2.0,2.0,"casa","casa",2.0,"2","2"])
[(1, 1), (2, 7), ('b', 1), ('a', 2), ('casa', 2), ('2', 2)]
  39: runfile('C:/Users/Angelo/OneDrive - uniroma1.it/pythonFDP2018/conta_elem.py', wdir='C:/Users/Angelo/OneDrive - uniroma1.it/pythonFDP2018')
  40: ripetizione_elementi_count([1,2,2,2,"b","a","a",2.0,2.0,2.0,"casa","casa",2.0,"2","2"])
[((1, int), 1),
 ((2, int), 7),
 (('b', str), 1),
 (('a', str), 2),
 ((2.0, float), 7),
 (('casa', str), 2),
 (('2', str), 2)]
  41: l=[random.randint(0,10000) for i in range (100000)]
  42: %timeit ripetizione_elementi(l)
  43: %timeit ripetizione_elementi_cout(l)
  44: %timeit ripetizione_elementi_count(l)
  45: %timeit ripetizione_elementi(l)
  46: %timeit ripetizione_elementi(l)
  47: %timeit ripetizione_elementi(l)
  48: %timeit ripetizione_elementi(l)
  49: d
defaultdict(<function __main__.<lambda>>, {'asd': 0})
  50: print(d)
  51: d={"salve":1, "ciao":3,"hello":4}
  52: sorted(d.keys())
['ciao', 'hello', 'salve']
  53: sorted(d.values())
[1, 3, 4]
  54: sorted(d.keys(), key = lambda k: d[k])
['salve', 'ciao', 'hello']
  55: sorted(d.keys(), key = lambda k: d[k], reverse=True)
['hello', 'ciao', 'salve']
  56: d={"salve":1, "ciao":3,"hello":4, "arigatò":2}
  57: sorted(d.keys(), key = lambda k: d[k])
['salve', 'arigatò', 'ciao', 'hello']
  58: sorted(d.keys(), key = lambda k: d[k], reverse=True)
['hello', 'ciao', 'arigatò', 'salve']
  59: d.keys
<function dict.keys>
  60: d.keys()
dict_keys(['salve', 'ciao', 'hello', 'arigatò'])
  61: l=[random.randint for i in range (100000)]
  62: l[4:78]
[<bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>]
  63: lambda x: x+5
<function __main__.<lambda>>
  64: sorted(d.keys(), key = lambda k: k.upper())
['arigatò', 'ciao', 'hello', 'salve']
  65: sorted(d.keys(), key = lambda k: -d[k])
['hello', 'ciao', 'arigatò', 'salve']
  66: d
{'arigatò': 2, 'ciao': 3, 'hello': 4, 'salve': 1}
  67: sorted(d.keys(), key = lambda k: d[k])
['salve', 'arigatò', 'ciao', 'hello']
  68: l[0:3]
[<bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>,
 <bound method Random.randint of <random.Random object at 0x0000016FA9BD1538>>]
  69: l=[random.randint(0,10000) for i in range (100000)]
  70: l[0:3]
[192, 4773, 7245]
  71: p=[i**0.5 for i in l]
  72: p[0:3]
[13.856406460551018, 69.0869017976635, 85.11756575466664]
  73: q=map(lambda x: x**0.5, l)
  74: q[0:3]
  75: q=list(map(lambda x: x**0.5, l))
  76: q[0:3]
[13.856406460551018, 69.0869017976635, 85.11756575466664]
  77: p[0:3]
[13.856406460551018, 69.0869017976635, 85.11756575466664]
  78: %timeit list(map(lambda x: x**0.5, l))
  79: %timeit [i**0.5 for i in l]
  80: pwd
'C:\\Users\\Angelo\\OneDrive - uniroma1.it\\pythonFDP2018'
  81: ls
  82: f=open("provaprint.py")
  83: f
<_io.TextIOWrapper name='provaprint.py' mode='r' encoding='cp1252'>
  84: l=f.readlines()
  85: l
['print(4,5,6,7,end="",sep="")\n', 'print(8,9,10,end="",sep="")\n']
  86: len(l)
2
  87: q=f.read()
  88: q
''
  89: f.seek(0)
0
  90: line=f.readline()
  91: line
'print(4,5,6,7,end="",sep="")\n'
  92: line=f.readline()
  93: line
'print(8,9,10,end="",sep="")\n'
  94: line=f.readline()
  95: line
''
  96: f.seek(0)
0
  97: f.tell()
0
  98: line=f.read()
  99: line
'print(4,5,6,7,end="",sep="")\nprint(8,9,10,end="",sep="")\n'
 100: f.close()
 101:
with open("provaprint.py") as f:
    sseq=f.readlines()
 102: f
<_io.TextIOWrapper name='provaprint.py' mode='r' encoding='cp1252'>
 103: f.read()
 104:
with open("scrittura.txt","w") as f:
    f.write("hello")
 105:
with open("scrittura.txt","w") as f:
    print("hello", file=f)
 106:
with open("scrittura.txt","w") as f:
    for i in range(100):
        print(random.randint(0,1000), file = f)
 107:
with open("scrittura.txt","w") as f:
    for i in range(100):
        print(random.randint(0,1000), file = f)
 108:
with open("scrittura.txt","w") as f:
    for i in range(100):
        print("{:4}".format(random.randint(0,1000)), file = f)
 109:
with open("scrittura.txt","w") as f:
    for i in range(100):
        print("{:.4}".format(random.randint(0,1000)), file = f)
 110:
with open("scrittura.txt","w") as f:
    for i in range(100):
        print("{:4.}".format(random.randint(0,1000)), file = f)
 111:
with open("scrittura.txt","w") as f:
    for i in range(100):
        print("{.:4}".format(random.randint(0,1000)), file = f)
 112:
with open("scrittura.txt","w") as f:
    for i in range(100):
        print("{:-4}".format(random.randint(0,1000)), file = f)
 113:
with open("scrittura.txt","w") as f:
    for i in range(100):
        print("{:4-}".format(random.randint(0,1000)), file = f)
 114:
with open("scrittura.txt","w") as f:
    for i in range(100):
        print("{:,4}".format(random.randint(0,1000)), file = f)
 115:
with open("scrittura.txt","w") as f:
    for i in range(100):
        print("{:04}".format(random.randint(0,1000)), file = f)
 116: %history -n -o -f lez6s.py