diff --git a/function.py b/function.py new file mode 100644 index 0000000000000000000000000000000000000000..9ba464f9a80af4a63616bc49b499b55c69e3f57e --- /dev/null +++ b/function.py @@ -0,0 +1,239 @@ +Python 3.7.0 (v3.7.0:1bf9cc5093, Jun 27 2018, 04:59:51) [MSC v.1914 64 bit (AMD64)] on win32 +Type "copyright", "credits" or "license()" for more information. +>>> 9 in range(10) +True +>>> 10 in range(10) +False +>>> 0 in range(10) +True +>>> range(10) +range(0, 10) +>>> dic = {"애플": "www.apple.com".} +SyntaxError: invalid syntax +>>> dic = {"애플": "www.apple.com".} +SyntaxError: invalid syntax +>>> dic = {"애플": "www.apple.com ".} +SyntaxError: invalid syntax +>>> dic = {"애플": "www.apple.com". + "파이썬": "www.python.org" + "마이크로 소프트": "www.microsoft.com"} + +SyntaxError: invalid syntax +>>> dic = {"애플": "www.apple.com", + "파이썬": "www.python.org", + "마이크로 소프트": "www.microsoft.com"} +>>> for k,v in dic.items(): + print (k,v) + + +애플 www.apple.com +파이썬 www.python.org +마이크로 소프트 www.microsoft.com +>>> for i in dic: + print(i) + + +애플 +파이썬 +마이크로 소프트 +>>> for i in dic: + print(i,dic[i]) + + +애플 www.apple.com +파이썬 www.python.org +마이크로 소프트 www.microsoft.com +>>> for i in dic: + print(i,dic{i}) + +SyntaxError: invalid syntax +>>> for i in dic: + print(i,dic(i)) + + +Traceback (most recent call last): + File "<pyshell#20>", line 2, in <module> + print(i,dic(i)) +TypeError: 'dict' object is not callable +>>> for i in dic: + if(i == "애플") + +SyntaxError: invalid syntax +>>> for i in dic: + if(i == "애플"): + print(i,dic[i]) + + +애플 www.apple.com +>>> for i in dic: + if(i == "애플"): + print(i,dic[i]) + break + + +애플 www.apple.com +>>> def abs(x) +SyntaxError: invalid syntax +>>> def abs(x): + if x< 0: + return -x + return x + +>>> abs(100) +100 +>>> abs(-100) +100 +>>> type(abs) +<class 'function'> +>>> def minus(x): + x = -x + + +>>> minus(100) +>>> minus(-100) +>>> def minus(x): + x = -x + return x + +>>> minus(-100) +100 +>>> minus(100) +-100 +>>> def print_personnel(name, position = "staff", nationality="Korea"): + print("name = {0}",format(name)) + print("position = {0}",format(position)) + print("nationality = {0}",format(nationality)) + + +>>> print("장범진") +장범진 +>>> print_personnel("장범진") +name = {0} 장범진 +position = {0} staff +nationality = {0} Korea +>>> def print_personnel(name, position = "staff", nationality="Korea"): + print('name = {0}',format(name)) + print('position = {0}',format(position)) + print('nationality = {0}',format(nationality)) + +SyntaxError: unexpected indent +>>> def print_personnel(name, position = "staff", nationality="Korea"): + print('name = {0}',format(name)) + print('position = {0}',format(position)) + print('nationality = {0}',format(nationality)) + + +>>> print_personnel("장범진") +name = {0} 장범진 +position = {0} staff +nationality = {0} Korea +>>> def print_personnel(name, position = "staff", nationality="Korea"): + print('name = {0}'.format(name)) + print('position = {0}'.format(position)) + print('nationality = {0}'.format(nationality)) + +SyntaxError: unexpected indent +>>> def print_personnel(name, position = "staff", nationality="Korea"): + print('name = {0}'.format(name)) + print('position = {0}'.format(position)) + print('nationality = {0}'.format(nationality)) + + +>>> print_personnel("장범진") +name = 장범진 +position = staff +nationality = Korea +>>> def fl(*a): + for x in a: + print(x) + + +>>> fl(123,456) +123 +456 +>>> fl("이환용",2024) +이환용 +2024 +>>> type(*a) +Traceback (most recent call last): + File "<pyshell#70>", line 1, in <module> + type(*a) +NameError: name 'a' is not defined +>>> type(*) +SyntaxError: invalid syntax +>>> int *a +Traceback (most recent call last): + File "<pyshell#72>", line 1, in <module> + int *a +NameError: name 'a' is not defined +>>> type(fl) +<class 'function'> +>>> def merge_string(*text_list): + result = '' + for s in text_list: + result = result +s + returtn result + +SyntaxError: invalid syntax +>>> def merge_string(*text_list): + result = '' + for s in text_list: + result = result +s + return result + +>>> merge_string('아버지','가','방에','들어가신다') +'아버지가방에들어가신다' +>>> def fl(*a): + for x in a: + print(type(x),x) + + +>>> fl((1,2,3),456,"장범진",{"a":100}) +<class 'tuple'> (1, 2, 3) +<class 'int'> 456 +<class 'str'> 장범진 +<class 'dict'> {'a': 100} +>>> def scope_test(): + a=100 + print(a) + + +>>> a=100 +>>> a=200 +>>> scope_test(a) +Traceback (most recent call last): + File "<pyshell#91>", line 1, in <module> + scope_test(a) +TypeError: scope_test() takes 0 positional arguments but 1 was given +>>> scope_test() +100 +>>> a +200 +>>> def scope_test(): + a=100 + print(a * b) + + +>>> scope_test +<function scope_test at 0x000001AF760BF598> +>>> scope_test() +Traceback (most recent call last): + File "<pyshell#97>", line 1, in <module> + scope_test() + File "<pyshell#95>", line 3, in scope_test + print(a * b) +NameError: name 'b' is not defined +>>> def scope_test(): + global a + a = 1 + print('a:{0}'.format(a)) + +>>> +>>> a= 0 +>>> scope_test() +a:1 +>>> print("a") +a +>>> print("a:{0}".format(a)) +a:1 +>>>