5-May-2025 Class 7-After Self-Testing-2

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######################### temmp 14 ############################################### print("*********************** temp 13 & temp 14 ******************************") for i in range(1, 20, 4): for j in range(5): print(f"j : {j}, i: {i}") if i == 13: break try: x = 1 y = 1 if x == 1: raise result = x/y print(result) except ZeroDivisionError: print("second operand cannot be zero") except TypeError as msg: print(msg) except : print("except error") # TypeError ZeroDivisionError else : print("no error") finally: print("This line will run no matter what") print("this line will run also") ######################### temmp 14 ############################################### #reference from another people / classmates def a(x): def b(y): return x + y return b def c(f,g): return f(g) # return an address with a function together with a closure add10 = a(10) add20 = a(20) print(add10(5), add20(5)) print(a(10)(5),a(20)(5)) print(c(add10, 10)) print(c(add20, 10)) #reference from another people / classmates print("#################### temp 8 ####################") #temp 8, for tuple a = 1,2,3,4,9,10,11,12,5,6,6,8,13,14,15 print(a.count(0),a.index(6)) print(a[0]) #a[0]=10 #a.sort() print(a) b = sorted(a,reverse=True) print(a) print(b) b = 1, print(b) b = () print(b, type(b)) a = {1,2,"a",3,4,"",9,10,"b",11,12,5,6,"a",6,8,13,14,15} print(type(a)) print(a) print("ggg") a = [1,2,"a",3,4,"b",9,10,"b",11,12,5,6,"a",6,8,13,14,15] #a = set(a) #print(type(a)) #a = list(a) print(a) a = list(set(a)) print(a) a = {1,2,"a",3,4,"",9,10,"b",11,12,5,6,"a",6,8,13,14,15} a.add(16) print(a) a.update(a, {17, 18}) print(a) a = {1,2,3,4} b = {3,4,5,6} print(a | b) print(a & b) print(a - b) print(a ^ b) print("#################### temp 9 ####################") #temp 9 print("Hello \ World!") print('''Hello Wor ld!''') a = (1, 1+1 ) print(a, type(a)) if 1: x = 1 y=1 print("#################### temp 10 ####################") #temp 10 name = 'name' d = {'name' : "john", # 'name' = "john" "age": 10+1, } print(d['name']) print(d['age']) name = 'age' print(d['name'],d['age']) print(d[name]) d = {"name" : "john", "age": 10+1, True : 12, (1,2): 30, } name = 'age' print(d[name]) print(d[(1,2)], d[True], d) #################################### temp 11 #################################### print("##################### temp 11 ************************************") c = a = [1,2,3] b = [1,2,3] print(id(a), id(c), id(b)) print(id(a[0]), id(c[0]), id(b[0])) d = {"name" : "john", "age": 10, "gender" : "male" } del d["gender"] print(d) d["name"] = "peter" print(d) d["mame"] = "prince building" print(d) print(d.keys()) for i in d.keys(): print(i) print(d.values()) print(d.items()) #################################### temp 11 #################################### #################################### temp 12-13 #################################### print("#################### temp 12-13 ####################") #temp 12 #NO 1 result = 7 - 4 + 3 * 6 / 2 ** 2 % 5 print ('01', result) result = ((7 - 4) + (((3 * 6) / (2 ** 2)) % 5)) print ('01', result) #NO 2 result = 12 - 2 * 5 > 3 and 8 % 5 == 3 or not 4 + 1 > 7 print ('02', result) result = (((12 - (2 * 5)) > 3) and ((8 % 5) == 3)) or (not ((4 + 1) > 7)) print ('02', result) def a(x, y, z=2): result = x + y + z print(f"result = {result}") print("x =", x, "y =", y, "z =", z) print(f"x = {x} y = {y} z = {z}") return result print(a(3, 4)) result = a(y=4,z=5,x=6) + a(7,8,9) print(result) print(globals()) print(a('a', 'b', 'c')) print(a("john"," ", "lee")) #################################### temp 12-13 ####################################
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