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#1 # stroka = input() # print(stroka[2]) # по индексу выводим 2 символ # print(stroka[::-2]) # выводим предпоследний символ строки # print(stroka[0:5:]) # выводим первые 5 символом # print(stroka[0:-2:]) # выводим все до предпоследнего т.к. последний -1, то -2 - это предпоследний # print(stroka[::2]) # выводим все четные, т.к. 0 - 2 - 4 - 6 # print(stroka[1::2]) # выводим все нечетные начиная с 1, 1 - 3 - 5 - 7 - 9 # print(stroka[::-1]) # вывод задом на перед ход -1 # print(stroka[-1::-2]) # вывод наоборот через 1 # print(len(stroka)) #2 # print(input().count(" ")+1) #3 # stroka3 = input() # print(stroka3[(len(stroka3)+1)//2::] + stroka3[:(len(stroka3)+1)//2]) #4 # print(stroka4[stroka4.find(" ")+1::] + " " + stroka4[0:stroka4.find(" "):]) #5 # stroka4 = input() # counter = 0 # val1 = 0 # for i in range(len(stroka4)): # if stroka4[i] =="f": # counter+=1 # if counter==2: # val1 = i # break # if counter == 0: # print(-2) # elif counter == 1: # print(-1) # elif counter == 2: # print(val1) #6 # stroka1 = input() # counter = 0 # for i in stroka1: # if i =="f" # counter += 1 # if counter == 1: # print(stroka1.find("f")) # else: print(stroka1.find("f"), stroka1.rfind("f")) #7 # stroka5 = input() # print(stroka5[:stroka5.find("h"):] + stroka5[stroka5.rfind("h")+1::]) #8 # stroka5 = input() # val1 = stroka5[stroka5.find("h")+1:stroka5.rfind("h"):] # print(val1[::-1]) #9 # stroka6 = input() # val1 = stroka6[stroka6.find("h")+1:stroka6.rfind("h"):] # val2 = stroka6[:stroka6.find("h")+1:] # val3 = stroka6[stroka6.rfind("h")::] # print(val3+val1*2+val2) #10 # stroka7 = input() # c = "" # for i in range(len(stroka7)): # if stroka7[i] == "1": # c = stroka7.replace("1", "one") # print(c) #11 # c="" # stroka8 = input() # stroka8 = stroka8.replace("@",c) # print(stroka8) #12 # stroka9 = input() # c = "H" # val1 = stroka9.find("h") # val2 = stroka9.rfind("h") # for i in range(val1,val2): # if stroka9[i] == "h": # new_s = stroka9[i].replace("h", c) # print(stroka9[:val1:] + new_s + stroka9[val2+1::]) #13 # stroka10 = input() # strokaM = "" # for i in range(len(stroka10)): # strokaM += stroka10[i] # strokaM += "*" # print(strokaM[:-1:]) # #14 # stroka11 = input() # s = "" # for i in range(len(stroka11)): # if i % 3 != 0: # s+=stroka11[i] # print(s)
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