"""
lab 8 functions
"""

#3.1
def count_words(input_str):
    return len( input_str.split()   )

#3.2
demo_str = 'hi, hello world!'

print(count_words(demo_str))

#3.3
num_list = [1,12,3,0,2]

def find_min_num(input_list):
    min_item = input_list[0]
    for num in input_list:
        if type(num) is not str:
            if min_item>= num:
                min_item = num
    return min_item
    
#3.4
demo_list=[1,2,3,4,5,6]
print(find_min_num(demo_list))

#3.5
mix_list= [1,2,3,4,'a',5,6]
print(find_min_num(mix_list))