# Number of times to repeat the code N = 5 # Code block to repeat a string n times for _ in range(N): # Your code here print("Code block executed") In the above code example, we first define the value of N, which represents the number of times you want to repeat the code. ...
17. Repeat last 2 chars of a string 4 times. Write a Python function to get a string made of 4 copies of the last two characters of a specified string (length must be at least 2). Sample function and result : insert_end('Python') -> onononon insert_end('Exercises') -> eseseses...
Anytime you have need to repeat a block of code a fixed amount of times. If you do not know the number of times it must be repeated, use a “while loop” statement instead. For loop Python Syntax foritarator_variableinsequence_name:Statements...Statements Copy keyword “for”which signif...
# count vowels in a string# declare, assign stringstr="Hello world"# declare countcount=0# iterate and check each characterforiinstr:# check the conditions for vowelsif( i=="A"ori=="a"ori=="E"ori=="e"ori=="I"ori=="i"ori=="O"ori=="o"ori=="U"ori=="u"): count+=1# pr...
cycle("123"): print(i,end=" ") if sum > 10: break sum += int(i) print() # 输出 :1 2 3 1 2 3 1 # 3.repeat(obj,times) """ obj : 循环的对象 times : 循环的次数 """ for x in itertools.repeat("hello",2): print(x,end=" ") print() #...
times = np.zeros(shape=max_length) for i in range(max_length): i_time = timeit.repeat(stmt="""check_password(user, x)""", setup=f"user={user!r}; x=random_str({i!r})", globals=globals(), number=trials, repeat=10) times[i] = min(i_time) if verbose: most_likely_n = ...
Python program to print words with their length of a string # Function to split into words# and print words with its lengthdefsplitString(str):# split the string by spacesstr=str.split(" ")# iterate words in stringforwordsinstr:print(words," (",len(words),")")# Main code# declare ...
importjava.util.Scanner;publicclassHappyProgram{publicstaticvoidmain(String args[]){Scannerinput_a=newScanner(System.in); System.out.print("Enter a number: ");intYourNumber=input_a.nextInt();if(YourNumber >10) System.out.println("Your number is greater than ten") ;if(YourNumber <=10) ...
Example-10: Loop n times using while without index number We can also loop through a range of numbers without using the index number: dart num=5whilenum>0:print(f"I will repeat myself {num} times")num-=1 Output: bash I will repeat myself 5 times I will repeat myself 4 times I ...
3.7 itertools.repeat(object[, times]) 来看看第三个无限迭代的函数,将objext重复times次然后停止 实例: import itertools partlist1=’1234’ print(list(itertools.repeat(partlist1,2))) 运行结果是: [‘1234’, ‘1234’] 3.8 itertools.dropwhile(predicate, iterable)/itertools.takewhile(predicate, iterable...