python if all true code example

Example 1: all in python

'''
Return Value from all()
all() method returns:

True - If all elements in an iterable are true
False - If any element in an iterable is false
'''

# all values true
l = [1, 3, 4, 5]
print(all(l))            # Result : True

# all values false
l = [0, False]
print(all(l))			 # Result : False

# one false value ( As 0 is considered as False)
l = [1, 3, 4, 0]
print(all(l))			 # Result : False

# one true value
l = [0, False, 5]
print(all(l))			 # Result : False

# empty iterable
l = []
print(all(l))

Example 2: check all true python

>>> items = [[1, 2, 0], [1, 2, 0], [1, 2, 0]]
>>> all(flag == 0 for (_, _, flag) in items)
True
>>> items = [[1, 2, 0], [1, 2, 1], [1, 2, 0]]
>>> all(flag == 0 for (_, _, flag) in items)
False