print("".isspace())
print(" \t\n\r\v\f".isspace())
print("a".isspace())
print(" \t\n\r\v\fa".isspace())
print("".isalpha())
print("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".isalpha())
print("0abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".isalpha())
print("this ".isalpha())
print("".isdigit())

            

Reported by Pylint.

              # tests for things that only Python 3.6 supports, needing floats

# underscores in numeric literals
print(1_000.1_8)
print("%.2g" % 1e1_2)

# underscore supported by int/float constructors
print(float("1_2_3"))
print(float("1_2_3.4"))

            

Reported by Pylint.

              print("hello world".index("ll"))
print("hello world".index("ll", None))
print("hello world".index("ll", 1))
print("hello world".index("ll", 1, None))
print("hello world".index("ll", None, None))
print("hello world".index("ll", 1, -1))

try:
    print("hello world".index("ll", 1, 1))

            

Reported by Pylint.

              # test construction of bytes from bytearray

print(bytes(bytearray(4)))

            

Reported by Pylint.

              # uPy and CPython outputs differ for the following
print("%.1g" % -9.9)  # round up 'g' with '-' sign
print("%.2g" % 99.9)  # round up

            

Reported by Pylint.

              # Test true-ish value handling

if not 0.0:
    print("float 0")

if not 0 + 0j:
    print("complex 0")

            

Reported by Pylint.

              # test calling builtin import function

# basic test
__import__("builtins")

# first arg should be a string
try:
    __import__(1)
except TypeError:

            

Reported by Pylint.

              import import1b

print(import1b.var)

            

Reported by Pylint.

              import import1b

print(import1b.__file__)

            

Reported by Pylint.

              globals()["long_long_very_long_long_name"] = 1

            

Reported by Pylint.