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Commit485cfcc

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Add demo of generator function.
1 parent02f3e5c commit485cfcc

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+33
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‎FunctionIntroduction/src/findprime.py

Lines changed: 33 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -23,6 +23,7 @@ def optional_arg_func(a, b=None, c=30):
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print('since b and c have default values in the function arguments, these are optional.\nFunction call will woork even if b and c are not provided.')
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print('\'a\' has no default. Therefore, it becomes a mandatory argument for the function.')
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print('Value of b is None.\nNone is given as a variable value when variable is to be kept as optional in function arguments but one does not want to assign any value to it.')
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print('Default arguments cannot be defined before non-default arguments.')
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ifbisNone:
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b=433
@@ -50,14 +51,42 @@ def key_word_func_args(a, b, *args, **kargs):
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forkinkargs:
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print('key = {} and value = {}'.format(k,kargs[k]))
53-
54+
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deffunc_return_multiple_val():
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print('Demo of returning multiple values in python')
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a=1
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b=2
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c=3
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d='This is a string'
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returna,b,c,d
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defgenerator_func_demo():
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print('This function is a demo of generator function.')
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print('Generator function returns an iterator object.')
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print('The function used here, is a generator function for inclusive range.')
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foriininclusive_range(0,10,1):
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print(i,end=' ')
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definclusive_range(*args):
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n_args=len(args)
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ifn_args<1:raiseTypeError('Minimum 1 argument required.')
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ifn_args==1:
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start=0
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step=0
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stop=args[0]
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elifn_args==2:
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(start,stop)=args
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step=1
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elifn_args==3:
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(start,stop,step)=args
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else:raiseTypeError('Maximum 3 arguments required. Given {} arguments to the function'.format(n_args))
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i=start
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whilei<=stop:
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yieldi# yield makes the function as a generator function
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i+=step
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defmain():
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forninrange(1,20):
@@ -77,5 +106,8 @@ def main():
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a,b,c,d=func_return_multiple_val()
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print('a={}, b = {}, c={}\nd={}'.format(a,b,c,d))
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print()
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generator_func_demo()
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if__name__=='__main__':main()

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