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Python: n (non-negative integer) copies of the first two characters of a given string

Last update on September 01 2022 10:25:49 (UTC/GMT +8 hours)

Python Basic: Practise-23 with Solution

Write a Python program to go the north (non-negative integer) copies of the outset 2 characters of a given string. Return the due north copies of the whole string if the length is less than 2.

Pictorial Presentation:

Sample Solution:-

Python Code:

          def substring_copy(str, n):   flen = 2   if flen > len(str):     flen = len(str)   substr = str[:flen]      result = ""   for i in range(n):     outcome = result + substr   render issue print(substring_copy('abcdef', 2)) print(substring_copy('p', 3));                  

Sample Output:

abab                                                                                                           ppp        

Flowchart:

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Python: Tips of the Day

Dictionary / Set comprehensions:

Example:

test_Dict = {i: i * i for i in range(ten)}  test_Set = {i * ii for i in range(10)}  print(test_Set) impress(test_Dict)        

Output:

{0, two, iv, 6, 8, 10, 12, 14, xvi, 18} {0: 0, one: i, 2: four, three: 9, 4: sixteen, 5: 25, 6: 36, 7: 49, 8: 64, ix: 81}        

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