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April 28, 2014 15:33
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Samples for built-in Python functions
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# abs(var) | |
print(abs(-23)) | |
print(abs(3 + 5j)) | |
# all(var) | |
print(all([1, 2, 3, 4, 5])) | |
print(all("string")) | |
print(all([0, 1, 1])) | |
# any(var) | |
print(any([])) | |
print(any([0, 0, 0, 1, 0, 0, ])) | |
# ascii(obj) | |
print(ascii([1, 2, 3, 5])) | |
print(ascii(10)) | |
print(ascii("string")) | |
print(ascii({1: "one", 2: "two"})) | |
# bin(int) | |
print(bin(123)) | |
print(bin(256)) | |
# bool([x]) | |
print(bool()) | |
print(bool(0)) | |
print(bool("True")) | |
print(bool(1)) | |
# bytearray([source, [encoding, [errors]]]) | |
print(bytearray()) | |
print(bytearray("string", "UTF-8")) | |
print(bytearray(3)) | |
# bytes([source, [encoding, [errors]]]) | |
print(bytes()) | |
print(bytes("string", "UTF-8")) | |
print(bytes(3)) | |
# callable(obj) | |
print(callable(1)) | |
print(callable("string")) | |
# chr(i) | |
print(chr(33)) | |
print(chr(512)) | |
# complex([real, [imagine]]) | |
print(complex()) | |
print(complex(1)) | |
print(complex(2, 3)) | |
print(complex('1+4j')) | |
print(complex('5j')) | |
# dir([obj]) | |
print(dir()) | |
print(dir(complex)) | |
# divmod(a, b) | |
print(divmod(4, 2)) | |
print(divmod(7, 3)) | |
# enumerate(iterable, start = 0) | |
print(enumerate([1, 2, 3, 4, 5, 6])) | |
print(enumerate(["one", "two", "three"], 1)) | |
# eval(expr) | |
print(eval("1+6/3")) | |
print(eval("1 & 2 ^ 3 - 4")) | |
print(eval("print('eval()')")) | |
# filter(function, iterable) | |
filtered = filter(lambda x: x % 2 == 0, [1, 2, 3, 4, 5]) | |
for item in filtered: | |
print("[", item, "]") | |
# float([x]) | |
print(float()) | |
print(float('inf')) | |
print(float("-inf")) | |
print(float(" nan")) | |
print(float(" 213.434235235235235 ")) | |
# format(obj, [spec]) | |
print(format(1 + 2j)) | |
print("{0} + {1} != {2} + {3}".format(1, 2, 3, 4)) | |
# getattr(obj, attr, [default]) | |
print(getattr([1, 2, 3, 4], "len", 0)) | |
print(getattr([1, 2, 3, 4], "__init__")) | |
# globals() | |
print(globals()) | |
# hasattr(obj, name) | |
print(hasattr("string", "__init__")) | |
print(hasattr("string", "size")) | |
# hash(obj) | |
print(hash("string")) | |
print(hash(10)) | |
print(hash(12345678910111213141516171819)) | |
# help([obj]) | |
# help() | |
# help(complex) | |
# hex(int) | |
print(hex(100)) | |
print(hex(256)) | |
print(hex(12345678910111213141516171819)) | |
# id(obj) | |
print(id("str")) | |
print(id(0)) | |
# input([promt]) | |
# print(input()) | |
# print(input("What is your name: ")) | |
# int([x, [base]]) | |
print(int("10")) | |
print(int("abacaba", 13)) | |
print(int("10000", 2)) | |
# len(obj) | |
print(len({1: 2, 3: 4, 5: 6})) | |
print(len("str")) | |
print(len([1, 2, 3, 4])) | |
# locals() | |
print(locals()) | |
# map(function, iterable) | |
mapped = map(lambda x: x ** 2 - x, [0, 1, 2, 3]) | |
for var in mapped: | |
print("[", var, "]") | |
# max() | |
print(max([4, 3, 2, 1, 5, 6, 7])) | |
print(max(4, 3, 2, 1, 5, 6, 7)) | |
# min() | |
print(min([4, 3, 2, 1, 5, 6, 7])) | |
print(min(4, 3, 2, 1, 5, 6, 7)) | |
# oct(int) | |
print(oct(10)) | |
print(oct(8)) | |
print(oct(124124)) | |
# ord(ch) | |
print(ord('a')) | |
print(ord('\u00ff')) | |
# pow(x, y, [z]) | |
print(pow(2, 8)) | |
print(pow(2, 8, 3)) | |
# range(start, [stop, [step]]) | |
print(range(3)) | |
print(range(3, 7)) | |
print(range(3, 7, 2)) | |
# repr(obj) | |
print(repr(1 + 3j)) | |
print(repr([1, 4, 6, 7, 8])) | |
print(repr({1: 2, 3: 4, 5: 6})) | |
# round(x, [num]) | |
print(round(0.55)) | |
print(round(0.535353535, 4)) | |
print(round(0.535353535, 3)) | |
# slice(start, [stop, [step]]) | |
print(slice(3)) | |
print(slice(3, 7)) | |
print(slice(3, 7, 2)) | |
# sorted(iterable, [key, [reverse]]) | |
print(sorted([1, 4, 2, 6, 8, 3, 1])) | |
print(sorted([1, 4, 2, 6, 8, 3, 1], reverse=True)) | |
# str() | |
print(str(1)) | |
print(str(0o123)) | |
print(str(0b100)) | |
print(str([1, 2, 3, 4])) | |
# sum() | |
print(sum([1, 2, 3, 4, 5, 6])) | |
# type(obj) | |
print(type("str")) | |
print(type({1: 2})) | |
print(type(2)) | |
print(type(1 + 3j)) | |
print(type(range(1, 3))) | |
# zip(iterable) | |
zipped = zip([1, 2, 3], [4, 5, 6]) | |
for pair in zipped: | |
print("{", pair, "}") |
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