[song] rebirth of me in py introductory training (7): function call

It's not easy to create , Before reference , Point a praise , Collection , You can't pay too much attention , Family

The first 1 Turn off ： Built in functions - Tools that make you lazy

Programming requirements

The programming task of this pass is to complete src/Step2/prime.py File code , Realize corresponding functions . The specific requirements are as follows ：

• Define a function , The function is to judge whether a number is a prime number ;
• Call function , Judge the input integer , If it is a prime number, the output is True, If it is not a prime number, the output is False.

  #  Please add code here , Judge the input integer , If it is a prime number, the output is True, If it is not a prime number, the output is False
  #********** Begin *********#
  
  def prime(self):
      if self==1:
          return False
      for i in range(2,n):
          if(n%i==0):
              return False
              break
      else:
              return True
  
  
  
  print(prime(n))
  #********** End **********#

  The first 2 Turn off ： The function correctly calls - Get the results you want

Task description

After the function is defined , It will not be executed automatically , Only after being called , Function will be executed , The corresponding results are obtained .

The goal of this chapter is to let readers understand and master the relevant knowledge of function call .

-------------------------------------------------------------------------------------------

Programming requirements

The programming task of this pass is to complete src/Step2/func_call.py File code , Realize corresponding functions . The specific requirements are as follows ：

• Define a function , Sort the input value list from small to large ;
• Output sorted value list .

#  Please add code here , Pair value list numbers Implement sorting from small to large 
#********** Begin *********#

print(sorted(numbers))



#********** End **********#

The first 3 Turn off ： Functions and function calls - Distinguish between primary and secondary

Task description

We usually use the string 、 List and other variables as parameters for function calls . But the function itself is also an object , So we can also pass a function as a parameter into another function and call it .

The goal of this chapter is to let readers understand and master the relevant knowledge of function as a parameter passed into another function and called .

------------------------------------------------------------------

Programming requirements

The programming task of this pass is to complete src/step3/func_ref.py File code , Realize corresponding functions . The specific requirements are as follows ：

• Define a function , It is required to calculate the area of the circle ;
• Radius according to different integer values entered , Call function calculation , The area of the output circle .

  #  Please add code here , Realize the area calculation of circle , And output area results 
  #********** Begin *********#
  
  def area(n):
      return(PI*n*n)
  print("%.2f"% area(n))
  
  
  
  #********** End **********#

  P.s： The code here should be correct , But I just can't pass the customs , After reference, reply to the solution in the boss comment area , Thank you guys

• notes ： The content is only for reference and sharing , Do not spread without permission , Tort made delete