AITools/Class01/codes/first.py

#encoding=utf-8
20
a=30
b=34
+30
#注释

c:int

45+60;

ab = 56
_a = 89.90

a1=123
a2=0xAB
print(a1, a2, 0o77, 0b11)
b1:float
b1= -12.45
b2= -34.56e4
print(b1, b2)

# PEP8.0
c1 = b'\091\092'
c2 = f"Hello{b1:010.6f}"
c3 = '''Hello
world'''
print(c1, c2, c3)
print(F"XXXX{12:06d}XXX")
print(F"XXXX{-12.5678:+010.4f}XXX")

d1=True
print(d1)