Please see the following code. Why is a==b False? Thanks!

Input:

```
a=n(1/2*sqrt(5) - 1/2,digits=15)
b=n(1-a^2,digits=15)
print a
print b
a==b
```

Output:

```
0.618033988749895
0.618033988749895
False
```

1 | initial version |

Please see the following code. Why is a==b False? Thanks!

Input:

```
a=n(1/2*sqrt(5) - 1/2,digits=15)
b=n(1-a^2,digits=15)
print a
print b
a==b
```

Output:

```
0.618033988749895
0.618033988749895
False
```

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